src/chrome/browser/content_settings/content_settings_policy_provider.cc

   1 // Copyright (c) 2012 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 "chrome/browser/content_settings/content_settings_policy_provider.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/json/json_reader.h"
  11 #include "base/prefs/pref_service.h"
  12 #include "base/values.h"
  13 #include "chrome/browser/chrome_notification_types.h"
  14 #include "chrome/browser/content_settings/content_settings_rule.h"
  15 #include "chrome/browser/content_settings/content_settings_utils.h"
  16 #include "chrome/common/content_settings_pattern.h"
  17 #include "chrome/common/pref_names.h"
  18 #include "components/user_prefs/pref_registry_syncable.h"
  19 #include "content/public/browser/browser_thread.h"
  20 #include "content/public/browser/notification_details.h"
  21 #include "content/public/browser/notification_source.h"
  22
  23 using content::BrowserThread;
  24
  25 namespace {
  26
  27 // The preferences used to manage ContentSettingsTypes.
  28 const char* kPrefToManageType[] = {
  29   prefs::kManagedDefaultCookiesSetting,
  30   prefs::kManagedDefaultImagesSetting,
  31   prefs::kManagedDefaultJavaScriptSetting,
  32   prefs::kManagedDefaultPluginsSetting,
  33   prefs::kManagedDefaultPopupsSetting,
  34   prefs::kManagedDefaultGeolocationSetting,
  35   prefs::kManagedDefaultNotificationsSetting,
  36   NULL,  // No policy for default value of content type auto-select-certificate
  37   NULL,  // No policy for default value of fullscreen requests
  38   NULL,  // No policy for default value of mouse lock requests
  39   NULL,  // No policy for default value of mixed script blocking
  40   prefs::kManagedDefaultMediaStreamSetting,
  41   NULL,  // No policy for default value of media stream mic
  42   NULL,  // No policy for default value of media stream camera
  43   NULL,  // No policy for default value of protocol handlers
  44   NULL,  // No policy for default value of PPAPI broker
  45   NULL,  // No policy for default value of multiple automatic downloads
  46   NULL,  // No policy for default value of MIDI system exclusive requests
  47 #if defined(OS_WIN)
  48   NULL,  // No policy for default value of "switch to desktop"
  49 #elif defined(OS_ANDROID) || defined(OS_CHROMEOS)
  50   NULL,  // No policy for default value of protected media identifier
  51 #endif
  52 #if defined(OS_ANDROID)
  53   NULL,  // No policy for default value of app banners
  54 #endif
  55 };
  56 COMPILE_ASSERT(arraysize(kPrefToManageType) == CONTENT_SETTINGS_NUM_TYPES,
  57                managed_content_settings_pref_names_array_size_incorrect);
  58
  59 struct PrefsForManagedContentSettingsMapEntry {
  60   const char* pref_name;
  61   ContentSettingsType content_type;
  62   ContentSetting setting;
  63 };
  64
  65 const PrefsForManagedContentSettingsMapEntry
  66     kPrefsForManagedContentSettingsMap[] = {
  67   {
  68     prefs::kManagedCookiesAllowedForUrls,
  69     CONTENT_SETTINGS_TYPE_COOKIES,
  70     CONTENT_SETTING_ALLOW
  71   }, {
  72     prefs::kManagedCookiesSessionOnlyForUrls,
  73     CONTENT_SETTINGS_TYPE_COOKIES,
  74     CONTENT_SETTING_SESSION_ONLY
  75   }, {
  76     prefs::kManagedCookiesBlockedForUrls,
  77     CONTENT_SETTINGS_TYPE_COOKIES,
  78     CONTENT_SETTING_BLOCK
  79   }, {
  80     prefs::kManagedImagesAllowedForUrls,
  81     CONTENT_SETTINGS_TYPE_IMAGES,
  82     CONTENT_SETTING_ALLOW
  83   }, {
  84     prefs::kManagedImagesBlockedForUrls,
  85     CONTENT_SETTINGS_TYPE_IMAGES,
  86     CONTENT_SETTING_BLOCK
  87   }, {
  88     prefs::kManagedJavaScriptAllowedForUrls,
  89     CONTENT_SETTINGS_TYPE_JAVASCRIPT,
  90     CONTENT_SETTING_ALLOW
  91   }, {
  92     prefs::kManagedJavaScriptBlockedForUrls,
  93     CONTENT_SETTINGS_TYPE_JAVASCRIPT,
  94     CONTENT_SETTING_BLOCK
  95   }, {
  96     prefs::kManagedPluginsAllowedForUrls,
  97     CONTENT_SETTINGS_TYPE_PLUGINS,
  98     CONTENT_SETTING_ALLOW
  99   }, {
 100     prefs::kManagedPluginsBlockedForUrls,
 101     CONTENT_SETTINGS_TYPE_PLUGINS,
 102     CONTENT_SETTING_BLOCK
 103   }, {
 104     prefs::kManagedPopupsAllowedForUrls,
 105     CONTENT_SETTINGS_TYPE_POPUPS,
 106     CONTENT_SETTING_ALLOW
 107   }, {
 108     prefs::kManagedPopupsBlockedForUrls,
 109     CONTENT_SETTINGS_TYPE_POPUPS,
 110     CONTENT_SETTING_BLOCK
 111   }, {
 112     prefs::kManagedNotificationsAllowedForUrls,
 113     CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
 114     CONTENT_SETTING_ALLOW
 115   }, {
 116     prefs::kManagedNotificationsBlockedForUrls,
 117     CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
 118     CONTENT_SETTING_BLOCK
 119   }
 120 };
 121
 122 }  // namespace
 123
 124 namespace content_settings {
 125
 126 // static
 127 void PolicyProvider::RegisterProfilePrefs(
 128     user_prefs::PrefRegistrySyncable* registry) {
 129   registry->RegisterListPref(prefs::kManagedAutoSelectCertificateForUrls,
 130                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 131   registry->RegisterListPref(prefs::kManagedCookiesAllowedForUrls,
 132                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 133   registry->RegisterListPref(prefs::kManagedCookiesBlockedForUrls,
 134                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 135   registry->RegisterListPref(prefs::kManagedCookiesSessionOnlyForUrls,
 136                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 137   registry->RegisterListPref(prefs::kManagedImagesAllowedForUrls,
 138                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 139   registry->RegisterListPref(prefs::kManagedImagesBlockedForUrls,
 140                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 141   registry->RegisterListPref(prefs::kManagedJavaScriptAllowedForUrls,
 142                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 143   registry->RegisterListPref(prefs::kManagedJavaScriptBlockedForUrls,
 144                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 145   registry->RegisterListPref(prefs::kManagedPluginsAllowedForUrls,
 146                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 147   registry->RegisterListPref(prefs::kManagedPluginsBlockedForUrls,
 148                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 149   registry->RegisterListPref(prefs::kManagedPopupsAllowedForUrls,
 150                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 151   registry->RegisterListPref(prefs::kManagedPopupsBlockedForUrls,
 152                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 153   registry->RegisterListPref(prefs::kManagedNotificationsAllowedForUrls,
 154                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 155   registry->RegisterListPref(prefs::kManagedNotificationsBlockedForUrls,
 156                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 157   // Preferences for default content setting policies. If a policy is not set of
 158   // the corresponding preferences below is set to CONTENT_SETTING_DEFAULT.
 159   registry->RegisterIntegerPref(
 160       prefs::kManagedDefaultCookiesSetting,
 161       CONTENT_SETTING_DEFAULT,
 162       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 163   registry->RegisterIntegerPref(
 164       prefs::kManagedDefaultImagesSetting,
 165       CONTENT_SETTING_DEFAULT,
 166       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 167   registry->RegisterIntegerPref(
 168       prefs::kManagedDefaultJavaScriptSetting,
 169       CONTENT_SETTING_DEFAULT,
 170       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 171   registry->RegisterIntegerPref(
 172       prefs::kManagedDefaultPluginsSetting,
 173       CONTENT_SETTING_DEFAULT,
 174       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 175   registry->RegisterIntegerPref(
 176       prefs::kManagedDefaultPopupsSetting,
 177       CONTENT_SETTING_DEFAULT,
 178       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 179   registry->RegisterIntegerPref(
 180       prefs::kManagedDefaultGeolocationSetting,
 181       CONTENT_SETTING_DEFAULT,
 182       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 183   registry->RegisterIntegerPref(
 184       prefs::kManagedDefaultNotificationsSetting,
 185       CONTENT_SETTING_DEFAULT,
 186       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 187   registry->RegisterIntegerPref(
 188       prefs::kManagedDefaultMediaStreamSetting,
 189       CONTENT_SETTING_DEFAULT,
 190       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 191 }
 192
 193 PolicyProvider::PolicyProvider(PrefService* prefs) : prefs_(prefs) {
 194   ReadManagedDefaultSettings();
 195   ReadManagedContentSettings(false);
 196
 197   pref_change_registrar_.Init(prefs_);
 198   PrefChangeRegistrar::NamedChangeCallback callback =
 199       base::Bind(&PolicyProvider::OnPreferenceChanged, base::Unretained(this));
 200   pref_change_registrar_.Add(
 201       prefs::kManagedAutoSelectCertificateForUrls, callback);
 202   pref_change_registrar_.Add(prefs::kManagedCookiesBlockedForUrls, callback);
 203   pref_change_registrar_.Add(prefs::kManagedCookiesAllowedForUrls, callback);
 204   pref_change_registrar_.Add(
 205       prefs::kManagedCookiesSessionOnlyForUrls, callback);
 206   pref_change_registrar_.Add(prefs::kManagedImagesBlockedForUrls, callback);
 207   pref_change_registrar_.Add(prefs::kManagedImagesAllowedForUrls, callback);
 208   pref_change_registrar_.Add(prefs::kManagedJavaScriptBlockedForUrls, callback);
 209   pref_change_registrar_.Add(prefs::kManagedJavaScriptAllowedForUrls, callback);
 210   pref_change_registrar_.Add(prefs::kManagedPluginsBlockedForUrls, callback);
 211   pref_change_registrar_.Add(prefs::kManagedPluginsAllowedForUrls, callback);
 212   pref_change_registrar_.Add(prefs::kManagedPopupsBlockedForUrls, callback);
 213   pref_change_registrar_.Add(prefs::kManagedPopupsAllowedForUrls, callback);
 214   pref_change_registrar_.Add(
 215       prefs::kManagedNotificationsAllowedForUrls, callback);
 216   pref_change_registrar_.Add(
 217       prefs::kManagedNotificationsBlockedForUrls, callback);
 218   // The following preferences are only used to indicate if a
 219   // default content setting is managed and to hold the managed default setting
 220   // value. If the value for any of the following perferences is set then the
 221   // corresponding default content setting is managed. These preferences exist
 222   // in parallel to the preference default content settings.  If a
 223   // default content settings type is managed any user defined excpetions
 224   // (patterns) for this type are ignored.
 225   pref_change_registrar_.Add(prefs::kManagedDefaultCookiesSetting, callback);
 226   pref_change_registrar_.Add(prefs::kManagedDefaultImagesSetting, callback);
 227   pref_change_registrar_.Add(prefs::kManagedDefaultJavaScriptSetting, callback);
 228   pref_change_registrar_.Add(prefs::kManagedDefaultPluginsSetting, callback);
 229   pref_change_registrar_.Add(prefs::kManagedDefaultPopupsSetting, callback);
 230   pref_change_registrar_.Add(
 231       prefs::kManagedDefaultGeolocationSetting, callback);
 232   pref_change_registrar_.Add(
 233       prefs::kManagedDefaultNotificationsSetting, callback);
 234   pref_change_registrar_.Add(
 235       prefs::kManagedDefaultMediaStreamSetting, callback);
 236 }
 237
 238 PolicyProvider::~PolicyProvider() {
 239   DCHECK(!prefs_);
 240 }
 241
 242 RuleIterator* PolicyProvider::GetRuleIterator(
 243     ContentSettingsType content_type,
 244     const ResourceIdentifier& resource_identifier,
 245     bool incognito) const {
 246   return value_map_.GetRuleIterator(content_type, resource_identifier, &lock_);
 247 }
 248
 249 void PolicyProvider::GetContentSettingsFromPreferences(
 250     OriginIdentifierValueMap* value_map) {
 251   for (size_t i = 0; i < arraysize(kPrefsForManagedContentSettingsMap); ++i) {
 252     const char* pref_name = kPrefsForManagedContentSettingsMap[i].pref_name;
 253     // Skip unset policies.
 254     if (!prefs_->HasPrefPath(pref_name)) {
 255       VLOG(2) << "Skipping unset preference: " << pref_name;
 256       continue;
 257     }
 258
 259     const PrefService::Preference* pref = prefs_->FindPreference(pref_name);
 260     DCHECK(pref);
 261     DCHECK(pref->IsManaged());
 262
 263     const base::ListValue* pattern_str_list = NULL;
 264     if (!pref->GetValue()->GetAsList(&pattern_str_list)) {
 265       NOTREACHED();
 266       return;
 267     }
 268
 269     for (size_t j = 0; j < pattern_str_list->GetSize(); ++j) {
 270       std::string original_pattern_str;
 271       if (!pattern_str_list->GetString(j, &original_pattern_str)) {
 272         NOTREACHED();
 273         continue;
 274       }
 275
 276       PatternPair pattern_pair = ParsePatternString(original_pattern_str);
 277       // Ignore invalid patterns.
 278       if (!pattern_pair.first.IsValid()) {
 279         VLOG(1) << "Ignoring invalid content settings pattern: " <<
 280                    original_pattern_str;
 281         continue;
 282       }
 283
 284       ContentSettingsType content_type =
 285           kPrefsForManagedContentSettingsMap[i].content_type;
 286       DCHECK_NE(content_type, CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE);
 287       // If only one pattern was defined auto expand it to a pattern pair.
 288       ContentSettingsPattern secondary_pattern =
 289           !pattern_pair.second.IsValid() ? ContentSettingsPattern::Wildcard()
 290                                          : pattern_pair.second;
 291       value_map->SetValue(
 292           pattern_pair.first,
 293           secondary_pattern,
 294           content_type,
 295           NO_RESOURCE_IDENTIFIER,
 296           base::Value::CreateIntegerValue(
 297               kPrefsForManagedContentSettingsMap[i].setting));
 298     }
 299   }
 300 }
 301
 302 void PolicyProvider::GetAutoSelectCertificateSettingsFromPreferences(
 303     OriginIdentifierValueMap* value_map) {
 304   const char* pref_name = prefs::kManagedAutoSelectCertificateForUrls;
 305
 306   if (!prefs_->HasPrefPath(pref_name)) {
 307     VLOG(2) << "Skipping unset preference: " << pref_name;
 308     return;
 309   }
 310
 311   const PrefService::Preference* pref = prefs_->FindPreference(pref_name);
 312   DCHECK(pref);
 313   DCHECK(pref->IsManaged());
 314
 315   const base::ListValue* pattern_filter_str_list = NULL;
 316   if (!pref->GetValue()->GetAsList(&pattern_filter_str_list)) {
 317     NOTREACHED();
 318     return;
 319   }
 320
 321   // Parse the list of pattern filter strings. A pattern filter string has
 322   // the following JSON format:
 323   //
 324   // {
 325   //   "pattern": <content settings pattern string>,
 326   //   "filter" : <certificate filter in JSON format>
 327   // }
 328   //
 329   // e.g.
 330   // {
 331   //   "pattern": "[*.]example.com",
 332   //   "filter": {
 333   //      "ISSUER": {
 334   //        "CN": "some name"
 335   //      }
 336   //   }
 337   // }
 338   for (size_t j = 0; j < pattern_filter_str_list->GetSize(); ++j) {
 339     std::string pattern_filter_json;
 340     if (!pattern_filter_str_list->GetString(j, &pattern_filter_json)) {
 341       NOTREACHED();
 342       continue;
 343     }
 344
 345     scoped_ptr<base::Value> value(base::JSONReader::Read(pattern_filter_json,
 346         base::JSON_ALLOW_TRAILING_COMMAS));
 347     if (!value || !value->IsType(base::Value::TYPE_DICTIONARY)) {
 348       VLOG(1) << "Ignoring invalid certificate auto select setting. Reason:"
 349                  " Invalid JSON object: " << pattern_filter_json;
 350       continue;
 351     }
 352
 353     scoped_ptr<base::DictionaryValue> pattern_filter_pair(
 354         static_cast<base::DictionaryValue*>(value.release()));
 355     std::string pattern_str;
 356     bool pattern_read = pattern_filter_pair->GetString("pattern", &pattern_str);
 357     scoped_ptr<base::Value> cert_filter;
 358     bool filter_read = pattern_filter_pair->Remove("filter", &cert_filter);
 359     if (!pattern_read || !filter_read ||
 360         !cert_filter->IsType(base::Value::TYPE_DICTIONARY)) {
 361       VLOG(1) << "Ignoring invalid certificate auto select setting. Reason:"
 362                  " Missing pattern or filter.";
 363       continue;
 364     }
 365
 366     ContentSettingsPattern pattern =
 367         ContentSettingsPattern::FromString(pattern_str);
 368     // Ignore invalid patterns.
 369     if (!pattern.IsValid()) {
 370       VLOG(1) << "Ignoring invalid certificate auto select setting:"
 371                  " Invalid content settings pattern: " << pattern;
 372       continue;
 373     }
 374
 375     value_map->SetValue(pattern,
 376                         ContentSettingsPattern::Wildcard(),
 377                         CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
 378                         std::string(),
 379                         cert_filter.release());
 380   }
 381 }
 382
 383 void PolicyProvider::ReadManagedDefaultSettings() {
 384   for (size_t type = 0; type < arraysize(kPrefToManageType); ++type) {
 385     if (kPrefToManageType[type] == NULL) {
 386       continue;
 387     }
 388     UpdateManagedDefaultSetting(ContentSettingsType(type));
 389   }
 390 }
 391
 392 void PolicyProvider::UpdateManagedDefaultSetting(
 393     ContentSettingsType content_type) {
 394   // If a pref to manage a default-content-setting was not set (NOTICE:
 395   // "HasPrefPath" returns false if no value was set for a registered pref) then
 396   // the default value of the preference is used. The default value of a
 397   // preference to manage a default-content-settings is CONTENT_SETTING_DEFAULT.
 398   // This indicates that no managed value is set. If a pref was set, than it
 399   // MUST be managed.
 400   DCHECK(!prefs_->HasPrefPath(kPrefToManageType[content_type]) ||
 401           prefs_->IsManagedPreference(kPrefToManageType[content_type]));
 402   base::AutoLock auto_lock(lock_);
 403
 404   int setting = prefs_->GetInteger(kPrefToManageType[content_type]);
 405   if (setting == CONTENT_SETTING_DEFAULT) {
 406     value_map_.DeleteValue(
 407         ContentSettingsPattern::Wildcard(),
 408         ContentSettingsPattern::Wildcard(),
 409         content_type,
 410         std::string());
 411   } else {
 412     value_map_.SetValue(
 413         ContentSettingsPattern::Wildcard(),
 414         ContentSettingsPattern::Wildcard(),
 415         content_type,
 416         std::string(),
 417         base::Value::CreateIntegerValue(setting));
 418   }
 419 }
 420
 421
 422 void PolicyProvider::ReadManagedContentSettings(bool overwrite) {
 423   base::AutoLock auto_lock(lock_);
 424   if (overwrite)
 425     value_map_.clear();
 426   GetContentSettingsFromPreferences(&value_map_);
 427   GetAutoSelectCertificateSettingsFromPreferences(&value_map_);
 428 }
 429
 430 // Since the PolicyProvider is a read only content settings provider, all
 431 // methodes of the ProviderInterface that set or delete any settings do nothing.
 432 bool PolicyProvider::SetWebsiteSetting(
 433     const ContentSettingsPattern& primary_pattern,
 434     const ContentSettingsPattern& secondary_pattern,
 435     ContentSettingsType content_type,
 436     const ResourceIdentifier& resource_identifier,
 437     base::Value* value) {
 438   return false;
 439 }
 440
 441 void PolicyProvider::ClearAllContentSettingsRules(
 442     ContentSettingsType content_type) {
 443 }
 444
 445 void PolicyProvider::ShutdownOnUIThread() {
 446   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 447   RemoveAllObservers();
 448   if (!prefs_)
 449     return;
 450   pref_change_registrar_.RemoveAll();
 451   prefs_ = NULL;
 452 }
 453
 454 void PolicyProvider::OnPreferenceChanged(const std::string& name) {
 455   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 456
 457   if (name == prefs::kManagedDefaultCookiesSetting) {
 458     UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_COOKIES);
 459   } else if (name == prefs::kManagedDefaultImagesSetting) {
 460     UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_IMAGES);
 461   } else if (name == prefs::kManagedDefaultJavaScriptSetting) {
 462     UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_JAVASCRIPT);
 463   } else if (name == prefs::kManagedDefaultPluginsSetting) {
 464     UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_PLUGINS);
 465   } else if (name == prefs::kManagedDefaultPopupsSetting) {
 466     UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_POPUPS);
 467   } else if (name == prefs::kManagedDefaultGeolocationSetting) {
 468     UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_GEOLOCATION);
 469   } else if (name == prefs::kManagedDefaultNotificationsSetting) {
 470     UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
 471   } else if (name == prefs::kManagedDefaultMediaStreamSetting) {
 472     UpdateManagedDefaultSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM);
 473   } else if (name == prefs::kManagedAutoSelectCertificateForUrls ||
 474              name == prefs::kManagedCookiesAllowedForUrls ||
 475              name == prefs::kManagedCookiesBlockedForUrls ||
 476              name == prefs::kManagedCookiesSessionOnlyForUrls ||
 477              name == prefs::kManagedImagesAllowedForUrls ||
 478              name == prefs::kManagedImagesBlockedForUrls ||
 479              name == prefs::kManagedJavaScriptAllowedForUrls ||
 480              name == prefs::kManagedJavaScriptBlockedForUrls ||
 481              name == prefs::kManagedPluginsAllowedForUrls ||
 482              name == prefs::kManagedPluginsBlockedForUrls ||
 483              name == prefs::kManagedPopupsAllowedForUrls ||
 484              name == prefs::kManagedPopupsBlockedForUrls ||
 485              name == prefs::kManagedNotificationsAllowedForUrls ||
 486              name == prefs::kManagedNotificationsBlockedForUrls) {
 487     ReadManagedContentSettings(true);
 488     ReadManagedDefaultSettings();
 489   }
 490
 491   NotifyObservers(ContentSettingsPattern(),
 492                   ContentSettingsPattern(),
 493                   CONTENT_SETTINGS_TYPE_DEFAULT,
 494                   std::string());
 495 }
 496
 497 }  // namespace content_settings