src/components/autofill/core/browser/autofill_manager.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/autofill/core/browser/autofill_manager.h"
   6
   7 #include <stddef.h>
   8
   9 #include <limits>
  10 #include <map>
  11 #include <set>
  12 #include <utility>
  13
  14 #include "base/bind.h"
  15 #include "base/command_line.h"
  16 #include "base/guid.h"
  17 #include "base/logging.h"
  18 #include "base/prefs/pref_service.h"
  19 #include "base/strings/string16.h"
  20 #include "base/strings/string_util.h"
  21 #include "base/strings/utf_string_conversions.h"
  22 #include "base/threading/sequenced_worker_pool.h"
  23 #include "components/autofill/core/browser/autocomplete_history_manager.h"
  24 #include "components/autofill/core/browser/autofill_client.h"
  25 #include "components/autofill/core/browser/autofill_data_model.h"
  26 #include "components/autofill/core/browser/autofill_external_delegate.h"
  27 #include "components/autofill/core/browser/autofill_field.h"
  28 #include "components/autofill/core/browser/autofill_manager_test_delegate.h"
  29 #include "components/autofill/core/browser/autofill_metrics.h"
  30 #include "components/autofill/core/browser/autofill_profile.h"
  31 #include "components/autofill/core/browser/autofill_type.h"
  32 #include "components/autofill/core/browser/credit_card.h"
  33 #include "components/autofill/core/browser/form_structure.h"
  34 #include "components/autofill/core/browser/personal_data_manager.h"
  35 #include "components/autofill/core/browser/phone_number.h"
  36 #include "components/autofill/core/browser/phone_number_i18n.h"
  37 #include "components/autofill/core/browser/popup_item_ids.h"
  38 #include "components/autofill/core/common/autofill_data_validation.h"
  39 #include "components/autofill/core/common/autofill_pref_names.h"
  40 #include "components/autofill/core/common/autofill_switches.h"
  41 #include "components/autofill/core/common/form_data.h"
  42 #include "components/autofill/core/common/form_data_predictions.h"
  43 #include "components/autofill/core/common/form_field_data.h"
  44 #include "components/autofill/core/common/password_form_fill_data.h"
  45 #include "components/pref_registry/pref_registry_syncable.h"
  46 #include "grit/components_strings.h"
  47 #include "ui/base/l10n/l10n_util.h"
  48 #include "ui/gfx/rect.h"
  49 #include "url/gurl.h"
  50
  51 namespace autofill {
  52
  53 typedef PersonalDataManager::GUIDPair GUIDPair;
  54
  55 using base::TimeTicks;
  56
  57 namespace {
  58
  59 // We only send a fraction of the forms to upload server.
  60 // The rate for positive/negative matches potentially could be different.
  61 const double kAutofillPositiveUploadRateDefaultValue = 0.20;
  62 const double kAutofillNegativeUploadRateDefaultValue = 0.20;
  63
  64 const size_t kMaxRecentFormSignaturesToRemember = 3;
  65
  66 // Set a conservative upper bound on the number of forms we are willing to
  67 // cache, simply to prevent unbounded memory consumption.
  68 const size_t kMaxFormCacheSize = 100;
  69
  70 // Removes duplicate suggestions whilst preserving their original order.
  71 void RemoveDuplicateSuggestions(std::vector<base::string16>* values,
  72                                 std::vector<base::string16>* labels,
  73                                 std::vector<base::string16>* icons,
  74                                 std::vector<int>* unique_ids) {
  75   DCHECK_EQ(values->size(), labels->size());
  76   DCHECK_EQ(values->size(), icons->size());
  77   DCHECK_EQ(values->size(), unique_ids->size());
  78
  79   std::set<std::pair<base::string16, base::string16> > seen_suggestions;
  80   std::vector<base::string16> values_copy;
  81   std::vector<base::string16> labels_copy;
  82   std::vector<base::string16> icons_copy;
  83   std::vector<int> unique_ids_copy;
  84
  85   for (size_t i = 0; i < values->size(); ++i) {
  86     const std::pair<base::string16, base::string16> suggestion(
  87         (*values)[i], (*labels)[i]);
  88     if (seen_suggestions.insert(suggestion).second) {
  89       values_copy.push_back((*values)[i]);
  90       labels_copy.push_back((*labels)[i]);
  91       icons_copy.push_back((*icons)[i]);
  92       unique_ids_copy.push_back((*unique_ids)[i]);
  93     }
  94   }
  95
  96   values->swap(values_copy);
  97   labels->swap(labels_copy);
  98   icons->swap(icons_copy);
  99   unique_ids->swap(unique_ids_copy);
 100 }
 101
 102 // Precondition: |form_structure| and |form| should correspond to the same
 103 // logical form.  Returns true if any field in the given |section| within |form|
 104 // is auto-filled.
 105 bool SectionIsAutofilled(const FormStructure& form_structure,
 106                          const FormData& form,
 107                          const std::string& section) {
 108   DCHECK_EQ(form_structure.field_count(), form.fields.size());
 109   for (size_t i = 0; i < form_structure.field_count(); ++i) {
 110     if (form_structure.field(i)->section() == section &&
 111         form.fields[i].is_autofilled) {
 112       return true;
 113     }
 114   }
 115
 116   return false;
 117 }
 118
 119 bool FormIsHTTPS(const FormStructure& form) {
 120   // TODO(blundell): Change this to use a constant once crbug.com/306258 is
 121   // fixed.
 122   return form.source_url().SchemeIs("https");
 123 }
 124
 125 // Uses the existing personal data in |profiles| and |credit_cards| to determine
 126 // possible field types for the |submitted_form|.  This is potentially
 127 // expensive -- on the order of 50ms even for a small set of |stored_data|.
 128 // Hence, it should not run on the UI thread -- to avoid locking up the UI --
 129 // nor on the IO thread -- to avoid blocking IPC calls.
 130 void DeterminePossibleFieldTypesForUpload(
 131     const std::vector<AutofillProfile>& profiles,
 132     const std::vector<CreditCard>& credit_cards,
 133     const std::string& app_locale,
 134     FormStructure* submitted_form) {
 135   // For each field in the |submitted_form|, extract the value.  Then for each
 136   // profile or credit card, identify any stored types that match the value.
 137   for (size_t i = 0; i < submitted_form->field_count(); ++i) {
 138     AutofillField* field = submitted_form->field(i);
 139     ServerFieldTypeSet matching_types;
 140
 141     base::string16 value;
 142     base::TrimWhitespace(field->value, base::TRIM_ALL, &value);
 143     for (std::vector<AutofillProfile>::const_iterator it = profiles.begin();
 144          it != profiles.end(); ++it) {
 145       it->GetMatchingTypes(value, app_locale, &matching_types);
 146     }
 147     for (std::vector<CreditCard>::const_iterator it = credit_cards.begin();
 148          it != credit_cards.end(); ++it) {
 149       it->GetMatchingTypes(value, app_locale, &matching_types);
 150     }
 151
 152     if (matching_types.empty())
 153       matching_types.insert(UNKNOWN_TYPE);
 154
 155     field->set_possible_types(matching_types);
 156   }
 157 }
 158
 159 }  // namespace
 160
 161 AutofillManager::AutofillManager(
 162     AutofillDriver* driver,
 163     AutofillClient* client,
 164     const std::string& app_locale,
 165     AutofillDownloadManagerState enable_download_manager)
 166     : driver_(driver),
 167       client_(client),
 168       app_locale_(app_locale),
 169       personal_data_(client->GetPersonalDataManager()),
 170       autocomplete_history_manager_(
 171           new AutocompleteHistoryManager(driver, client)),
 172       metric_logger_(new AutofillMetrics),
 173       has_logged_autofill_enabled_(false),
 174       has_logged_address_suggestions_count_(false),
 175       did_show_suggestions_(false),
 176       user_did_type_(false),
 177       user_did_autofill_(false),
 178       user_did_edit_autofilled_field_(false),
 179       external_delegate_(NULL),
 180       test_delegate_(NULL),
 181       weak_ptr_factory_(this) {
 182   if (enable_download_manager == ENABLE_AUTOFILL_DOWNLOAD_MANAGER) {
 183     download_manager_.reset(
 184         new AutofillDownloadManager(driver, client_->GetPrefs(), this));
 185   }
 186 }
 187
 188 AutofillManager::~AutofillManager() {}
 189
 190 // static
 191 void AutofillManager::RegisterProfilePrefs(
 192     user_prefs::PrefRegistrySyncable* registry) {
 193   registry->RegisterBooleanPref(
 194       prefs::kAutofillEnabled,
 195       true,
 196       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 197 #if defined(OS_MACOSX)
 198   registry->RegisterBooleanPref(
 199       prefs::kAutofillAuxiliaryProfilesEnabled,
 200       true,
 201       user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
 202 #else  // defined(OS_MACOSX)
 203   registry->RegisterBooleanPref(
 204       prefs::kAutofillAuxiliaryProfilesEnabled,
 205       false,
 206       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 207 #endif  // defined(OS_MACOSX)
 208 #if defined(OS_MACOSX)
 209   registry->RegisterBooleanPref(
 210       prefs::kAutofillMacAddressBookQueried,
 211       false,
 212       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 213 #endif  // defined(OS_MACOSX)
 214   registry->RegisterDoublePref(
 215       prefs::kAutofillPositiveUploadRate,
 216       kAutofillPositiveUploadRateDefaultValue,
 217       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 218   registry->RegisterDoublePref(
 219       prefs::kAutofillNegativeUploadRate,
 220       kAutofillNegativeUploadRateDefaultValue,
 221       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 222
 223 #if defined(OS_MACOSX) && !defined(OS_IOS)
 224   registry->RegisterBooleanPref(
 225       prefs::kAutofillUseMacAddressBook,
 226       false,
 227       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 228 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 229 }
 230
 231 #if defined(OS_MACOSX) && !defined(OS_IOS)
 232 void AutofillManager::MigrateUserPrefs(PrefService* prefs) {
 233   const PrefService::Preference* pref =
 234       prefs->FindPreference(prefs::kAutofillUseMacAddressBook);
 235
 236   // If the pref is not its default value, then the migration has already been
 237   // performed.
 238   if (!pref->IsDefaultValue())
 239     return;
 240
 241   // Whether Chrome has already tried to access the user's Address Book.
 242   const PrefService::Preference* pref_accessed =
 243       prefs->FindPreference(prefs::kAutofillMacAddressBookQueried);
 244   // Whether the user wants to use the Address Book to populate Autofill.
 245   const PrefService::Preference* pref_enabled =
 246       prefs->FindPreference(prefs::kAutofillAuxiliaryProfilesEnabled);
 247
 248   if (pref_accessed->IsDefaultValue() && pref_enabled->IsDefaultValue()) {
 249     // This is likely a new user. Reset the default value to prevent the
 250     // migration from happening again.
 251     prefs->SetBoolean(prefs::kAutofillUseMacAddressBook,
 252                       prefs->GetBoolean(prefs::kAutofillUseMacAddressBook));
 253     return;
 254   }
 255
 256   bool accessed;
 257   bool enabled;
 258   bool success = pref_accessed->GetValue()->GetAsBoolean(&accessed);
 259   DCHECK(success);
 260   success = pref_enabled->GetValue()->GetAsBoolean(&enabled);
 261   DCHECK(success);
 262
 263   prefs->SetBoolean(prefs::kAutofillUseMacAddressBook, accessed && enabled);
 264 }
 265 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 266
 267 void AutofillManager::SetExternalDelegate(AutofillExternalDelegate* delegate) {
 268   // TODO(jrg): consider passing delegate into the ctor.  That won't
 269   // work if the delegate has a pointer to the AutofillManager, but
 270   // future directions may not need such a pointer.
 271   external_delegate_ = delegate;
 272   autocomplete_history_manager_->SetExternalDelegate(delegate);
 273 }
 274
 275 void AutofillManager::ShowAutofillSettings() {
 276   client_->ShowAutofillSettings();
 277 }
 278
 279 #if defined(OS_MACOSX) && !defined(OS_IOS)
 280 bool AutofillManager::ShouldShowAccessAddressBookSuggestion(
 281     const FormData& form,
 282     const FormFieldData& field) {
 283   if (!personal_data_)
 284     return false;
 285   FormStructure* form_structure = NULL;
 286   AutofillField* autofill_field = NULL;
 287   if (!GetCachedFormAndField(form, field, &form_structure, &autofill_field))
 288     return false;
 289
 290   return personal_data_->ShouldShowAccessAddressBookSuggestion(
 291       autofill_field->Type());
 292 }
 293
 294 bool AutofillManager::AccessAddressBook() {
 295   if (!personal_data_)
 296     return false;
 297   return personal_data_->AccessAddressBook();
 298 }
 299 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 300
 301 bool AutofillManager::OnFormSubmitted(const FormData& form,
 302                                       const TimeTicks& timestamp) {
 303   if (!IsValidFormData(form))
 304     return false;
 305
 306   // Let Autocomplete know as well.
 307   autocomplete_history_manager_->OnFormSubmitted(form);
 308
 309   // Grab a copy of the form data.
 310   scoped_ptr<FormStructure> submitted_form(new FormStructure(form));
 311
 312   if (!ShouldUploadForm(*submitted_form))
 313     return false;
 314
 315   // Don't save data that was submitted through JavaScript.
 316   if (!form.user_submitted)
 317     return false;
 318
 319   // Ignore forms not present in our cache.  These are typically forms with
 320   // wonky JavaScript that also makes them not auto-fillable.
 321   FormStructure* cached_submitted_form;
 322   if (!FindCachedForm(form, &cached_submitted_form))
 323     return false;
 324
 325   submitted_form->UpdateFromCache(*cached_submitted_form);
 326   if (submitted_form->IsAutofillable())
 327     ImportFormData(*submitted_form);
 328
 329   // Only upload server statistics and UMA metrics if at least some local data
 330   // is available to use as a baseline.
 331   const std::vector<AutofillProfile*>& profiles = personal_data_->GetProfiles();
 332   const std::vector<CreditCard*>& credit_cards =
 333       personal_data_->GetCreditCards();
 334   if (!profiles.empty() || !credit_cards.empty()) {
 335     // Copy the profile and credit card data, so that it can be accessed on a
 336     // separate thread.
 337     std::vector<AutofillProfile> copied_profiles;
 338     copied_profiles.reserve(profiles.size());
 339     for (std::vector<AutofillProfile*>::const_iterator it = profiles.begin();
 340          it != profiles.end(); ++it) {
 341       copied_profiles.push_back(**it);
 342     }
 343
 344     std::vector<CreditCard> copied_credit_cards;
 345     copied_credit_cards.reserve(credit_cards.size());
 346     for (std::vector<CreditCard*>::const_iterator it = credit_cards.begin();
 347          it != credit_cards.end(); ++it) {
 348       copied_credit_cards.push_back(**it);
 349     }
 350
 351     // Note that ownership of |submitted_form| is passed to the second task,
 352     // using |base::Owned|.
 353     FormStructure* raw_submitted_form = submitted_form.get();
 354     driver_->GetBlockingPool()->PostTaskAndReply(
 355         FROM_HERE,
 356         base::Bind(&DeterminePossibleFieldTypesForUpload,
 357                    copied_profiles,
 358                    copied_credit_cards,
 359                    app_locale_,
 360                    raw_submitted_form),
 361         base::Bind(&AutofillManager::UploadFormDataAsyncCallback,
 362                    weak_ptr_factory_.GetWeakPtr(),
 363                    base::Owned(submitted_form.release()),
 364                    forms_loaded_timestamps_[form],
 365                    initial_interaction_timestamp_,
 366                    timestamp));
 367   }
 368
 369   return true;
 370 }
 371
 372 void AutofillManager::OnFormsSeen(const std::vector<FormData>& forms,
 373                                   const TimeTicks& timestamp) {
 374   if (!IsValidFormDataVector(forms))
 375     return;
 376
 377   if (!driver_->RendererIsAvailable())
 378     return;
 379
 380   bool enabled = IsAutofillEnabled();
 381   if (!has_logged_autofill_enabled_) {
 382     metric_logger_->LogIsAutofillEnabledAtPageLoad(enabled);
 383     has_logged_autofill_enabled_ = true;
 384   }
 385
 386   if (!enabled)
 387     return;
 388
 389   for (size_t i = 0; i < forms.size(); ++i) {
 390     forms_loaded_timestamps_[forms[i]] = timestamp;
 391   }
 392
 393   ParseForms(forms);
 394 }
 395
 396 void AutofillManager::OnTextFieldDidChange(const FormData& form,
 397                                            const FormFieldData& field,
 398                                            const TimeTicks& timestamp) {
 399   if (!IsValidFormData(form) || !IsValidFormFieldData(field))
 400     return;
 401
 402   FormStructure* form_structure = NULL;
 403   AutofillField* autofill_field = NULL;
 404   if (!GetCachedFormAndField(form, field, &form_structure, &autofill_field))
 405     return;
 406
 407   if (!user_did_type_) {
 408     user_did_type_ = true;
 409     metric_logger_->LogUserHappinessMetric(AutofillMetrics::USER_DID_TYPE);
 410   }
 411
 412   if (autofill_field->is_autofilled) {
 413     autofill_field->is_autofilled = false;
 414     metric_logger_->LogUserHappinessMetric(
 415         AutofillMetrics::USER_DID_EDIT_AUTOFILLED_FIELD);
 416
 417     if (!user_did_edit_autofilled_field_) {
 418       user_did_edit_autofilled_field_ = true;
 419       metric_logger_->LogUserHappinessMetric(
 420           AutofillMetrics::USER_DID_EDIT_AUTOFILLED_FIELD_ONCE);
 421     }
 422   }
 423
 424   UpdateInitialInteractionTimestamp(timestamp);
 425 }
 426
 427 void AutofillManager::OnQueryFormFieldAutofill(int query_id,
 428                                                const FormData& form,
 429                                                const FormFieldData& field,
 430                                                const gfx::RectF& bounding_box,
 431                                                bool display_warning) {
 432   if (!IsValidFormData(form) || !IsValidFormFieldData(field))
 433     return;
 434
 435   std::vector<base::string16> values;
 436   std::vector<base::string16> labels;
 437   std::vector<base::string16> icons;
 438   std::vector<int> unique_ids;
 439
 440   external_delegate_->OnQuery(query_id,
 441                               form,
 442                               field,
 443                               bounding_box,
 444                               display_warning);
 445   FormStructure* form_structure = NULL;
 446   AutofillField* autofill_field = NULL;
 447   if (RefreshDataModels() &&
 448       driver_->RendererIsAvailable() &&
 449       GetCachedFormAndField(form, field, &form_structure, &autofill_field) &&
 450       // Don't send suggestions for forms that aren't auto-fillable.
 451       form_structure->IsAutofillable()) {
 452     AutofillType type = autofill_field->Type();
 453     bool is_filling_credit_card = (type.group() == CREDIT_CARD);
 454     if (is_filling_credit_card) {
 455       GetCreditCardSuggestions(
 456           field, type, &values, &labels, &icons, &unique_ids);
 457     } else {
 458       GetProfileSuggestions(
 459           form_structure, field, type, &values, &labels, &icons, &unique_ids);
 460     }
 461
 462     DCHECK_EQ(values.size(), labels.size());
 463     DCHECK_EQ(values.size(), icons.size());
 464     DCHECK_EQ(values.size(), unique_ids.size());
 465
 466     if (!values.empty()) {
 467       // Don't provide Autofill suggestions when Autofill is disabled, and don't
 468       // provide credit card suggestions for non-HTTPS pages. However, provide a
 469       // warning to the user in these cases.
 470       int warning = 0;
 471       if (!form_structure->IsAutofillable())
 472         warning = IDS_AUTOFILL_WARNING_FORM_DISABLED;
 473       else if (is_filling_credit_card && !FormIsHTTPS(*form_structure))
 474         warning = IDS_AUTOFILL_WARNING_INSECURE_CONNECTION;
 475       if (warning) {
 476         values.assign(1, l10n_util::GetStringUTF16(warning));
 477         labels.assign(1, base::string16());
 478         icons.assign(1, base::string16());
 479         unique_ids.assign(1, POPUP_ITEM_ID_WARNING_MESSAGE);
 480       } else {
 481         bool section_is_autofilled =
 482             SectionIsAutofilled(*form_structure, form,
 483                                 autofill_field->section());
 484         if (section_is_autofilled) {
 485           // If the relevant section is auto-filled and the renderer is querying
 486           // for suggestions, then the user is editing the value of a field.
 487           // In this case, mimic autocomplete: don't display labels or icons,
 488           // as that information is redundant.
 489           labels.assign(labels.size(), base::string16());
 490           icons.assign(icons.size(), base::string16());
 491         }
 492
 493         // When filling credit card suggestions, the values and labels are
 494         // typically obfuscated, which makes detecting duplicates hard.  Since
 495         // duplicates only tend to be a problem when filling address forms
 496         // anyway, only don't de-dup credit card suggestions.
 497         if (!is_filling_credit_card)
 498           RemoveDuplicateSuggestions(&values, &labels, &icons, &unique_ids);
 499
 500         // The first time we show suggestions on this page, log the number of
 501         // suggestions shown.
 502         if (!has_logged_address_suggestions_count_ && !section_is_autofilled) {
 503           metric_logger_->LogAddressSuggestionsCount(values.size());
 504           has_logged_address_suggestions_count_ = true;
 505         }
 506       }
 507     }
 508   }
 509
 510   // Add the results from AutoComplete.  They come back asynchronously, so we
 511   // hand off what we generated and they will send the results back to the
 512   // renderer.
 513   autocomplete_history_manager_->OnGetAutocompleteSuggestions(
 514       query_id, field.name, field.value, field.form_control_type, values,
 515       labels, icons, unique_ids);
 516 }
 517
 518 void AutofillManager::FillOrPreviewForm(
 519     AutofillDriver::RendererFormDataAction action,
 520     int query_id,
 521     const FormData& form,
 522     const FormFieldData& field,
 523     int unique_id) {
 524   if (!IsValidFormData(form) || !IsValidFormFieldData(field))
 525     return;
 526
 527   const AutofillDataModel* data_model = NULL;
 528   size_t variant = 0;
 529   FormStructure* form_structure = NULL;
 530   AutofillField* autofill_field = NULL;
 531   bool is_credit_card = false;
 532   // NOTE: RefreshDataModels may invalidate |data_model| because it causes the
 533   // PersonalDataManager to reload Mac address book entries. Thus it must come
 534   // before GetProfileOrCreditCard.
 535   if (!RefreshDataModels() ||
 536       !driver_->RendererIsAvailable() ||
 537       !GetProfileOrCreditCard(
 538           unique_id, &data_model, &variant, &is_credit_card) ||
 539       !GetCachedFormAndField(form, field, &form_structure, &autofill_field))
 540     return;
 541
 542   DCHECK(form_structure);
 543   DCHECK(autofill_field);
 544
 545   FormData result = form;
 546
 547   base::string16 profile_full_name;
 548   std::string profile_language_code;
 549   if (!is_credit_card) {
 550     profile_full_name = data_model->GetInfo(
 551         AutofillType(NAME_FULL), app_locale_);
 552     profile_language_code =
 553         static_cast<const AutofillProfile*>(data_model)->language_code();
 554   }
 555
 556   // If the relevant section is auto-filled, we should fill |field| but not the
 557   // rest of the form.
 558   if (SectionIsAutofilled(*form_structure, form, autofill_field->section())) {
 559     for (std::vector<FormFieldData>::iterator iter = result.fields.begin();
 560          iter != result.fields.end(); ++iter) {
 561       if ((*iter) == field) {
 562         base::string16 value = data_model->GetInfoForVariant(
 563             autofill_field->Type(), variant, app_locale_);
 564         if (AutofillField::FillFormField(*autofill_field,
 565                                          value,
 566                                          profile_language_code,
 567                                          app_locale_,
 568                                          &(*iter))) {
 569           // Mark the cached field as autofilled, so that we can detect when a
 570           // user edits an autofilled field (for metrics).
 571           autofill_field->is_autofilled = true;
 572
 573           // Mark the field as autofilled when a non-empty value is assigned to
 574           // it. This allows the renderer to distinguish autofilled fields from
 575           // fields with non-empty values, such as select-one fields.
 576           iter->is_autofilled = true;
 577
 578           if (!is_credit_card && !value.empty())
 579             client_->DidFillOrPreviewField(value, profile_full_name);
 580         }
 581         break;
 582       }
 583     }
 584
 585     driver_->SendFormDataToRenderer(query_id, action, result);
 586     return;
 587   }
 588
 589   // Cache the field type for the field from which the user initiated autofill.
 590   FieldTypeGroup initiating_group_type = autofill_field->Type().group();
 591   DCHECK_EQ(form_structure->field_count(), form.fields.size());
 592   for (size_t i = 0; i < form_structure->field_count(); ++i) {
 593     if (form_structure->field(i)->section() != autofill_field->section())
 594       continue;
 595
 596     DCHECK_EQ(*form_structure->field(i), result.fields[i]);
 597
 598     const AutofillField* cached_field = form_structure->field(i);
 599     FieldTypeGroup field_group_type = cached_field->Type().group();
 600     if (field_group_type != NO_GROUP) {
 601       // If the field being filled is either
 602       //   (a) the field that the user initiated the fill from, or
 603       //   (b) part of the same logical unit, e.g. name or phone number,
 604       // then take the multi-profile "variant" into account.
 605       // Otherwise fill with the default (zeroth) variant.
 606       size_t use_variant = 0;
 607       if (result.fields[i] == field ||
 608           field_group_type == initiating_group_type) {
 609         use_variant = variant;
 610       }
 611       base::string16 value = data_model->GetInfoForVariant(
 612           cached_field->Type(), use_variant, app_locale_);
 613
 614       // Must match ForEachMatchingFormField() in form_autofill_util.cc.
 615       // Only notify autofilling of empty fields and the field that initiated
 616       // the filling (note that "select-one" controls may not be empty but will
 617       // still be autofilled).
 618       bool should_notify =
 619           !is_credit_card &&
 620           !value.empty() &&
 621           (result.fields[i] == field ||
 622            result.fields[i].form_control_type == "select-one" ||
 623            result.fields[i].value.empty());
 624       if (AutofillField::FillFormField(*cached_field,
 625                                        value,
 626                                        profile_language_code,
 627                                        app_locale_,
 628                                        &result.fields[i])) {
 629         // Mark the cached field as autofilled, so that we can detect when a
 630         // user edits an autofilled field (for metrics).
 631         form_structure->field(i)->is_autofilled = true;
 632
 633         // Mark the field as autofilled when a non-empty value is assigned to
 634         // it. This allows the renderer to distinguish autofilled fields from
 635         // fields with non-empty values, such as select-one fields.
 636         result.fields[i].is_autofilled = true;
 637
 638         if (should_notify)
 639           client_->DidFillOrPreviewField(value, profile_full_name);
 640       }
 641     }
 642   }
 643
 644   autofilled_form_signatures_.push_front(form_structure->FormSignature());
 645   // Only remember the last few forms that we've seen, both to avoid false
 646   // positives and to avoid wasting memory.
 647   if (autofilled_form_signatures_.size() > kMaxRecentFormSignaturesToRemember)
 648     autofilled_form_signatures_.pop_back();
 649
 650   driver_->SendFormDataToRenderer(query_id, action, result);
 651 }
 652
 653 void AutofillManager::OnDidPreviewAutofillFormData() {
 654   if (test_delegate_)
 655     test_delegate_->DidPreviewFormData();
 656 }
 657
 658 void AutofillManager::OnDidFillAutofillFormData(const TimeTicks& timestamp) {
 659   if (test_delegate_)
 660     test_delegate_->DidFillFormData();
 661
 662   metric_logger_->LogUserHappinessMetric(AutofillMetrics::USER_DID_AUTOFILL);
 663   if (!user_did_autofill_) {
 664     user_did_autofill_ = true;
 665     metric_logger_->LogUserHappinessMetric(
 666         AutofillMetrics::USER_DID_AUTOFILL_ONCE);
 667   }
 668
 669   UpdateInitialInteractionTimestamp(timestamp);
 670 }
 671
 672 void AutofillManager::DidShowSuggestions(bool is_new_popup) {
 673   if (test_delegate_)
 674     test_delegate_->DidShowSuggestions();
 675
 676   if (is_new_popup) {
 677     metric_logger_->LogUserHappinessMetric(AutofillMetrics::SUGGESTIONS_SHOWN);
 678
 679     if (!did_show_suggestions_) {
 680       did_show_suggestions_ = true;
 681       metric_logger_->LogUserHappinessMetric(
 682           AutofillMetrics::SUGGESTIONS_SHOWN_ONCE);
 683     }
 684   }
 685 }
 686
 687 void AutofillManager::OnHidePopup() {
 688   if (!IsAutofillEnabled())
 689     return;
 690
 691   client_->HideAutofillPopup();
 692 }
 693
 694 void AutofillManager::RemoveAutofillProfileOrCreditCard(int unique_id) {
 695   const AutofillDataModel* data_model = NULL;
 696   size_t variant = 0;
 697   bool unused_is_credit_card = false;
 698   if (!GetProfileOrCreditCard(
 699           unique_id, &data_model, &variant, &unused_is_credit_card)) {
 700     NOTREACHED();
 701     return;
 702   }
 703
 704   // TODO(csharp): If we are dealing with a variant only the variant should
 705   // be deleted, instead of doing nothing.
 706   // http://crbug.com/124211
 707   if (variant != 0)
 708     return;
 709
 710   personal_data_->RemoveByGUID(data_model->guid());
 711 }
 712
 713 void AutofillManager::RemoveAutocompleteEntry(const base::string16& name,
 714                                               const base::string16& value) {
 715   autocomplete_history_manager_->OnRemoveAutocompleteEntry(name, value);
 716 }
 717
 718 const std::vector<FormStructure*>& AutofillManager::GetFormStructures() {
 719   return form_structures_.get();
 720 }
 721
 722 void AutofillManager::SetTestDelegate(AutofillManagerTestDelegate* delegate) {
 723   test_delegate_ = delegate;
 724 }
 725
 726 void AutofillManager::OnSetDataList(const std::vector<base::string16>& values,
 727                                     const std::vector<base::string16>& labels) {
 728   if (!IsValidString16Vector(values) ||
 729       !IsValidString16Vector(labels) ||
 730       values.size() != labels.size())
 731     return;
 732
 733   external_delegate_->SetCurrentDataListValues(values, labels);
 734 }
 735
 736 void AutofillManager::OnLoadedServerPredictions(
 737     const std::string& response_xml) {
 738   // Parse and store the server predictions.
 739   FormStructure::ParseQueryResponse(response_xml,
 740                                     form_structures_.get(),
 741                                     *metric_logger_);
 742
 743   // Forward form structures to the password generation manager to detect
 744   // account creation forms.
 745   client_->DetectAccountCreationForms(form_structures_.get());
 746
 747   // If the corresponding flag is set, annotate forms with the predicted types.
 748   driver_->SendAutofillTypePredictionsToRenderer(form_structures_.get());
 749 }
 750
 751 void AutofillManager::OnDidEndTextFieldEditing() {
 752   external_delegate_->DidEndTextFieldEditing();
 753 }
 754
 755 bool AutofillManager::IsAutofillEnabled() const {
 756   return client_->GetPrefs()->GetBoolean(prefs::kAutofillEnabled);
 757 }
 758
 759 void AutofillManager::ImportFormData(const FormStructure& submitted_form) {
 760   scoped_ptr<CreditCard> imported_credit_card;
 761   if (!personal_data_->ImportFormData(submitted_form, &imported_credit_card))
 762     return;
 763
 764   // If credit card information was submitted, we need to confirm whether to
 765   // save it.
 766   if (imported_credit_card) {
 767     client_->ConfirmSaveCreditCard(
 768         *metric_logger_,
 769         base::Bind(
 770             base::IgnoreResult(&PersonalDataManager::SaveImportedCreditCard),
 771             base::Unretained(personal_data_),
 772             *imported_credit_card));
 773   }
 774 }
 775
 776 // Note that |submitted_form| is passed as a pointer rather than as a reference
 777 // so that we can get memory management right across threads.  Note also that we
 778 // explicitly pass in all the time stamps of interest, as the cached ones might
 779 // get reset before this method executes.
 780 void AutofillManager::UploadFormDataAsyncCallback(
 781     const FormStructure* submitted_form,
 782     const TimeTicks& load_time,
 783     const TimeTicks& interaction_time,
 784     const TimeTicks& submission_time) {
 785   submitted_form->LogQualityMetrics(*metric_logger_,
 786                                     load_time,
 787                                     interaction_time,
 788                                     submission_time);
 789
 790   if (submitted_form->ShouldBeCrowdsourced())
 791     UploadFormData(*submitted_form);
 792 }
 793
 794 void AutofillManager::UploadFormData(const FormStructure& submitted_form) {
 795   if (!download_manager_)
 796     return;
 797
 798   // Check if the form is among the forms that were recently auto-filled.
 799   bool was_autofilled = false;
 800   std::string form_signature = submitted_form.FormSignature();
 801   for (std::list<std::string>::const_iterator it =
 802            autofilled_form_signatures_.begin();
 803        it != autofilled_form_signatures_.end() && !was_autofilled;
 804        ++it) {
 805     if (*it == form_signature)
 806       was_autofilled = true;
 807   }
 808
 809   ServerFieldTypeSet non_empty_types;
 810   personal_data_->GetNonEmptyTypes(&non_empty_types);
 811
 812   download_manager_->StartUploadRequest(submitted_form, was_autofilled,
 813                                         non_empty_types);
 814 }
 815
 816 bool AutofillManager::UploadPasswordForm(
 817     const FormData& form,
 818     const ServerFieldType& password_type) {
 819   FormStructure form_structure(form);
 820
 821   if (!ShouldUploadForm(form_structure))
 822     return false;
 823
 824   if (!form_structure.ShouldBeCrowdsourced())
 825     return false;
 826
 827   // Find the first password field to label. We don't try to label anything
 828   // else.
 829   bool found_password_field = false;
 830   for (size_t i = 0; i < form_structure.field_count(); ++i) {
 831     AutofillField* field = form_structure.field(i);
 832
 833     ServerFieldTypeSet types;
 834     if (!found_password_field && field->form_control_type == "password") {
 835       types.insert(password_type);
 836       found_password_field = true;
 837     } else {
 838       types.insert(UNKNOWN_TYPE);
 839     }
 840     field->set_possible_types(types);
 841   }
 842   DCHECK(found_password_field);
 843
 844   // Only one field type should be present.
 845   ServerFieldTypeSet available_field_types;
 846   available_field_types.insert(password_type);
 847
 848   // Force uploading as these events are relatively rare and we want to make
 849   // sure to receive them. It also makes testing easier if these requests
 850   // always pass.
 851   form_structure.set_upload_required(UPLOAD_REQUIRED);
 852
 853   if (!download_manager_)
 854     return false;
 855
 856   return download_manager_->StartUploadRequest(form_structure,
 857                                                false /* was_autofilled */,
 858                                                available_field_types);
 859 }
 860
 861 void AutofillManager::Reset() {
 862   form_structures_.clear();
 863   has_logged_autofill_enabled_ = false;
 864   has_logged_address_suggestions_count_ = false;
 865   did_show_suggestions_ = false;
 866   user_did_type_ = false;
 867   user_did_autofill_ = false;
 868   user_did_edit_autofilled_field_ = false;
 869   forms_loaded_timestamps_.clear();
 870   initial_interaction_timestamp_ = TimeTicks();
 871   external_delegate_->Reset();
 872 }
 873
 874 AutofillManager::AutofillManager(AutofillDriver* driver,
 875                                  AutofillClient* client,
 876                                  PersonalDataManager* personal_data)
 877     : driver_(driver),
 878       client_(client),
 879       app_locale_("en-US"),
 880       personal_data_(personal_data),
 881       autocomplete_history_manager_(
 882           new AutocompleteHistoryManager(driver, client)),
 883       metric_logger_(new AutofillMetrics),
 884       has_logged_autofill_enabled_(false),
 885       has_logged_address_suggestions_count_(false),
 886       did_show_suggestions_(false),
 887       user_did_type_(false),
 888       user_did_autofill_(false),
 889       user_did_edit_autofilled_field_(false),
 890       external_delegate_(NULL),
 891       test_delegate_(NULL),
 892       weak_ptr_factory_(this) {
 893   DCHECK(driver_);
 894   DCHECK(client_);
 895 }
 896
 897 void AutofillManager::set_metric_logger(const AutofillMetrics* metric_logger) {
 898   metric_logger_.reset(metric_logger);
 899 }
 900
 901 bool AutofillManager::RefreshDataModels() const {
 902   if (!IsAutofillEnabled())
 903     return false;
 904
 905   // No autofill data to return if the profiles are empty.
 906   if (personal_data_->GetProfiles().empty() &&
 907       personal_data_->GetCreditCards().empty()) {
 908     return false;
 909   }
 910
 911   return true;
 912 }
 913
 914 bool AutofillManager::GetProfileOrCreditCard(
 915     int unique_id,
 916     const AutofillDataModel** data_model,
 917     size_t* variant,
 918     bool* is_credit_card) const {
 919   // Unpack the |unique_id| into component parts.
 920   GUIDPair credit_card_guid;
 921   GUIDPair profile_guid;
 922   UnpackGUIDs(unique_id, &credit_card_guid, &profile_guid);
 923   DCHECK(!base::IsValidGUID(credit_card_guid.first) ||
 924          !base::IsValidGUID(profile_guid.first));
 925   *is_credit_card = false;
 926
 927   // Find the profile that matches the |profile_guid|, if one is specified.
 928   // Otherwise find the credit card that matches the |credit_card_guid|,
 929   // if specified.
 930   if (base::IsValidGUID(profile_guid.first)) {
 931     *data_model = personal_data_->GetProfileByGUID(profile_guid.first);
 932     *variant = profile_guid.second;
 933   } else if (base::IsValidGUID(credit_card_guid.first)) {
 934     *data_model = personal_data_->GetCreditCardByGUID(credit_card_guid.first);
 935     *variant = credit_card_guid.second;
 936     *is_credit_card = true;
 937   }
 938
 939   return !!*data_model;
 940 }
 941
 942 bool AutofillManager::FindCachedForm(const FormData& form,
 943                                      FormStructure** form_structure) const {
 944   // Find the FormStructure that corresponds to |form|.
 945   // Scan backward through the cached |form_structures_|, as updated versions of
 946   // forms are added to the back of the list, whereas original versions of these
 947   // forms might appear toward the beginning of the list.  The communication
 948   // protocol with the crowdsourcing server does not permit us to discard the
 949   // original versions of the forms.
 950   *form_structure = NULL;
 951   for (std::vector<FormStructure*>::const_reverse_iterator iter =
 952            form_structures_.rbegin();
 953        iter != form_structures_.rend(); ++iter) {
 954     if (**iter == form) {
 955       *form_structure = *iter;
 956
 957       // The same form might be cached with multiple field counts: in some
 958       // cases, non-autofillable fields are filtered out, whereas in other cases
 959       // they are not.  To avoid thrashing the cache, keep scanning until we
 960       // find a cached version with the same number of fields, if there is one.
 961       if ((*iter)->field_count() == form.fields.size())
 962         break;
 963     }
 964   }
 965
 966   if (!(*form_structure))
 967     return false;
 968
 969   return true;
 970 }
 971
 972 bool AutofillManager::GetCachedFormAndField(const FormData& form,
 973                                             const FormFieldData& field,
 974                                             FormStructure** form_structure,
 975                                             AutofillField** autofill_field) {
 976   // Find the FormStructure that corresponds to |form|.
 977   // If we do not have this form in our cache but it is parseable, we'll add it
 978   // in the call to |UpdateCachedForm()|.
 979   if (!FindCachedForm(form, form_structure) &&
 980       !FormStructure(form).ShouldBeParsed()) {
 981     return false;
 982   }
 983
 984   // Update the cached form to reflect any dynamic changes to the form data, if
 985   // necessary.
 986   if (!UpdateCachedForm(form, *form_structure, form_structure))
 987     return false;
 988
 989   // No data to return if there are no auto-fillable fields.
 990   if (!(*form_structure)->autofill_count())
 991     return false;
 992
 993   // Find the AutofillField that corresponds to |field|.
 994   *autofill_field = NULL;
 995   for (std::vector<AutofillField*>::const_iterator iter =
 996            (*form_structure)->begin();
 997        iter != (*form_structure)->end(); ++iter) {
 998     if ((**iter) == field) {
 999       *autofill_field = *iter;
1000       break;
1001     }
1002   }
1003
1004   // Even though we always update the cache, the field might not exist if the
1005   // website disables autocomplete while the user is interacting with the form.
1006   // See http://crbug.com/160476
1007   return *autofill_field != NULL;
1008 }
1009
1010 bool AutofillManager::UpdateCachedForm(const FormData& live_form,
1011                                        const FormStructure* cached_form,
1012                                        FormStructure** updated_form) {
1013   bool needs_update =
1014       (!cached_form ||
1015        live_form.fields.size() != cached_form->field_count());
1016   for (size_t i = 0; !needs_update && i < cached_form->field_count(); ++i) {
1017     needs_update = *cached_form->field(i) != live_form.fields[i];
1018   }
1019
1020   if (!needs_update)
1021     return true;
1022
1023   if (form_structures_.size() >= kMaxFormCacheSize)
1024     return false;
1025
1026   // Add the new or updated form to our cache.
1027   form_structures_.push_back(new FormStructure(live_form));
1028   *updated_form = *form_structures_.rbegin();
1029   (*updated_form)->DetermineHeuristicTypes(*metric_logger_);
1030
1031   // If we have cached data, propagate it to the updated form.
1032   if (cached_form) {
1033     std::map<base::string16, const AutofillField*> cached_fields;
1034     for (size_t i = 0; i < cached_form->field_count(); ++i) {
1035       const AutofillField* field = cached_form->field(i);
1036       cached_fields[field->unique_name()] = field;
1037     }
1038
1039     for (size_t i = 0; i < (*updated_form)->field_count(); ++i) {
1040       AutofillField* field = (*updated_form)->field(i);
1041       std::map<base::string16, const AutofillField*>::iterator cached_field =
1042           cached_fields.find(field->unique_name());
1043       if (cached_field != cached_fields.end()) {
1044         field->set_server_type(cached_field->second->server_type());
1045         field->is_autofilled = cached_field->second->is_autofilled;
1046       }
1047     }
1048
1049     // Note: We _must not_ remove the original version of the cached form from
1050     // the list of |form_structures_|.  Otherwise, we break parsing of the
1051     // crowdsourcing server's response to our query.
1052   }
1053
1054   // Annotate the updated form with its predicted types.
1055   std::vector<FormStructure*> forms(1, *updated_form);
1056   driver_->SendAutofillTypePredictionsToRenderer(forms);
1057
1058   return true;
1059 }
1060
1061 void AutofillManager::GetProfileSuggestions(
1062     FormStructure* form,
1063     const FormFieldData& field,
1064     const AutofillType& type,
1065     std::vector<base::string16>* values,
1066     std::vector<base::string16>* labels,
1067     std::vector<base::string16>* icons,
1068     std::vector<int>* unique_ids) const {
1069   std::vector<ServerFieldType> field_types(form->field_count());
1070   for (size_t i = 0; i < form->field_count(); ++i) {
1071     field_types.push_back(form->field(i)->Type().GetStorableType());
1072   }
1073   std::vector<GUIDPair> guid_pairs;
1074
1075   personal_data_->GetProfileSuggestions(
1076       type, field.value, field.is_autofilled, field_types,
1077       base::Callback<bool(const AutofillProfile&)>(),
1078       values, labels, icons, &guid_pairs);
1079
1080   for (size_t i = 0; i < guid_pairs.size(); ++i) {
1081     unique_ids->push_back(PackGUIDs(GUIDPair(std::string(), 0),
1082                                     guid_pairs[i]));
1083   }
1084 }
1085
1086 void AutofillManager::GetCreditCardSuggestions(
1087     const FormFieldData& field,
1088     const AutofillType& type,
1089     std::vector<base::string16>* values,
1090     std::vector<base::string16>* labels,
1091     std::vector<base::string16>* icons,
1092     std::vector<int>* unique_ids) const {
1093   std::vector<GUIDPair> guid_pairs;
1094   personal_data_->GetCreditCardSuggestions(
1095       type, field.value, values, labels, icons, &guid_pairs);
1096
1097   for (size_t i = 0; i < guid_pairs.size(); ++i) {
1098     unique_ids->push_back(PackGUIDs(guid_pairs[i], GUIDPair(std::string(), 0)));
1099   }
1100 }
1101
1102 void AutofillManager::ParseForms(const std::vector<FormData>& forms) {
1103   std::vector<FormStructure*> non_queryable_forms;
1104   for (std::vector<FormData>::const_iterator iter = forms.begin();
1105        iter != forms.end(); ++iter) {
1106     scoped_ptr<FormStructure> form_structure(new FormStructure(*iter));
1107     if (!form_structure->ShouldBeParsed())
1108       continue;
1109
1110     form_structure->DetermineHeuristicTypes(*metric_logger_);
1111
1112     // Set aside forms with method GET or author-specified types, so that they
1113     // are not included in the query to the server.
1114     if (form_structure->ShouldBeCrowdsourced())
1115       form_structures_.push_back(form_structure.release());
1116     else
1117       non_queryable_forms.push_back(form_structure.release());
1118   }
1119
1120   if (!form_structures_.empty() && download_manager_) {
1121     // Query the server if we have at least one of the forms were parsed.
1122     download_manager_->StartQueryRequest(form_structures_.get(),
1123                                         *metric_logger_);
1124   }
1125
1126   for (std::vector<FormStructure*>::const_iterator iter =
1127            non_queryable_forms.begin();
1128        iter != non_queryable_forms.end(); ++iter) {
1129     form_structures_.push_back(*iter);
1130   }
1131
1132   if (!form_structures_.empty())
1133     metric_logger_->LogUserHappinessMetric(AutofillMetrics::FORMS_LOADED);
1134
1135   // For the |non_queryable_forms|, we have all the field type info we're ever
1136   // going to get about them.  For the other forms, we'll wait until we get a
1137   // response from the server.
1138   driver_->SendAutofillTypePredictionsToRenderer(non_queryable_forms);
1139 }
1140
1141 int AutofillManager::GUIDToID(const GUIDPair& guid) const {
1142   if (!base::IsValidGUID(guid.first))
1143     return 0;
1144
1145   std::map<GUIDPair, int>::const_iterator iter = guid_id_map_.find(guid);
1146   if (iter == guid_id_map_.end()) {
1147     int id = guid_id_map_.size() + 1;
1148     guid_id_map_[guid] = id;
1149     id_guid_map_[id] = guid;
1150     return id;
1151   } else {
1152     return iter->second;
1153   }
1154 }
1155
1156 const GUIDPair AutofillManager::IDToGUID(int id) const {
1157   if (id == 0)
1158     return GUIDPair(std::string(), 0);
1159
1160   std::map<int, GUIDPair>::const_iterator iter = id_guid_map_.find(id);
1161   if (iter == id_guid_map_.end()) {
1162     NOTREACHED();
1163     return GUIDPair(std::string(), 0);
1164   }
1165
1166   return iter->second;
1167 }
1168
1169 // When sending IDs (across processes) to the renderer we pack credit card and
1170 // profile IDs into a single integer.  Credit card IDs are sent in the high
1171 // word and profile IDs are sent in the low word.
1172 int AutofillManager::PackGUIDs(const GUIDPair& cc_guid,
1173                                const GUIDPair& profile_guid) const {
1174   int cc_id = GUIDToID(cc_guid);
1175   int profile_id = GUIDToID(profile_guid);
1176
1177   DCHECK(cc_id <= std::numeric_limits<unsigned short>::max());
1178   DCHECK(profile_id <= std::numeric_limits<unsigned short>::max());
1179
1180   return cc_id << std::numeric_limits<unsigned short>::digits | profile_id;
1181 }
1182
1183 // When receiving IDs (across processes) from the renderer we unpack credit card
1184 // and profile IDs from a single integer.  Credit card IDs are stored in the
1185 // high word and profile IDs are stored in the low word.
1186 void AutofillManager::UnpackGUIDs(int id,
1187                                   GUIDPair* cc_guid,
1188                                   GUIDPair* profile_guid) const {
1189   int cc_id = id >> std::numeric_limits<unsigned short>::digits &
1190       std::numeric_limits<unsigned short>::max();
1191   int profile_id = id & std::numeric_limits<unsigned short>::max();
1192
1193   *cc_guid = IDToGUID(cc_id);
1194   *profile_guid = IDToGUID(profile_id);
1195 }
1196
1197 void AutofillManager::UpdateInitialInteractionTimestamp(
1198     const TimeTicks& interaction_timestamp) {
1199   if (initial_interaction_timestamp_.is_null() ||
1200       interaction_timestamp < initial_interaction_timestamp_) {
1201     initial_interaction_timestamp_ = interaction_timestamp;
1202   }
1203 }
1204
1205 bool AutofillManager::ShouldUploadForm(const FormStructure& form) {
1206   if (!IsAutofillEnabled())
1207     return false;
1208
1209   if (driver_->IsOffTheRecord())
1210     return false;
1211
1212   // Disregard forms that we wouldn't ever autofill in the first place.
1213   if (!form.ShouldBeParsed())
1214     return false;
1215
1216   return true;
1217 }
1218
1219 }  // namespace autofill