src/chrome/browser/plugins/plugin_infobar_delegates.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/plugins/plugin_infobar_delegates.h"
   6
   7 #include "base/bind.h"
   8 #include "base/path_service.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/content_settings/host_content_settings_map.h"
  11 #include "chrome/browser/google/google_util.h"
  12 #include "chrome/browser/infobars/infobar_service.h"
  13 #include "chrome/browser/lifetime/application_lifetime.h"
  14 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
  15 #include "chrome/browser/plugins/plugin_metadata.h"
  16 #include "chrome/browser/profiles/profile.h"
  17 #include "chrome/browser/shell_integration.h"
  18 #include "chrome/browser/ui/browser_commands.h"
  19 #include "chrome/common/url_constants.h"
  20 #include "components/infobars/core/infobar.h"
  21 #include "content/public/browser/render_process_host.h"
  22 #include "content/public/browser/render_view_host.h"
  23 #include "content/public/browser/user_metrics.h"
  24 #include "content/public/browser/web_contents.h"
  25 #include "grit/generated_resources.h"
  26 #include "grit/locale_settings.h"
  27 #include "grit/theme_resources.h"
  28 #include "ui/base/l10n/l10n_util.h"
  29
  30 #if defined(ENABLE_PLUGIN_INSTALLATION)
  31 #if defined(OS_WIN)
  32 #include "base/win/metro.h"
  33 #endif
  34 #include "chrome/browser/plugins/plugin_installer.h"
  35 #endif
  36
  37 #if defined(OS_WIN)
  38 #include <shellapi.h>
  39 #include "ui/base/win/shell.h"
  40
  41 #if defined(USE_AURA)
  42 #include "ui/aura/remote_window_tree_host_win.h"
  43 #endif
  44 #endif
  45
  46 using base::UserMetricsAction;
  47
  48
  49 // PluginInfoBarDelegate ------------------------------------------------------
  50
  51 PluginInfoBarDelegate::PluginInfoBarDelegate(const std::string& identifier)
  52     : ConfirmInfoBarDelegate(),
  53       identifier_(identifier) {
  54 }
  55
  56 PluginInfoBarDelegate::~PluginInfoBarDelegate() {
  57 }
  58
  59 bool PluginInfoBarDelegate::LinkClicked(WindowOpenDisposition disposition) {
  60   InfoBarService::WebContentsFromInfoBar(infobar())->OpenURL(
  61       content::OpenURLParams(
  62           GURL(GetLearnMoreURL()), content::Referrer(),
  63           (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
  64           content::PAGE_TRANSITION_LINK, false));
  65   return false;
  66 }
  67
  68 void PluginInfoBarDelegate::LoadBlockedPlugins() {
  69   content::WebContents* web_contents =
  70       InfoBarService::WebContentsFromInfoBar(infobar());
  71   ChromePluginServiceFilter::GetInstance()->AuthorizeAllPlugins(
  72       web_contents, true, identifier_);
  73 }
  74
  75 int PluginInfoBarDelegate::GetIconID() const {
  76   return IDR_INFOBAR_PLUGIN_INSTALL;
  77 }
  78
  79 base::string16 PluginInfoBarDelegate::GetLinkText() const {
  80   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
  81 }
  82
  83
  84 // UnauthorizedPluginInfoBarDelegate ------------------------------------------
  85
  86 // static
  87 void UnauthorizedPluginInfoBarDelegate::Create(
  88     InfoBarService* infobar_service,
  89     HostContentSettingsMap* content_settings,
  90     const base::string16& name,
  91     const std::string& identifier) {
  92   infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
  93       scoped_ptr<ConfirmInfoBarDelegate>(new UnauthorizedPluginInfoBarDelegate(
  94           content_settings, name, identifier))));
  95
  96   content::RecordAction(UserMetricsAction("BlockedPluginInfobar.Shown"));
  97   std::string utf8_name(base::UTF16ToUTF8(name));
  98   if (utf8_name == PluginMetadata::kJavaGroupName) {
  99     content::RecordAction(UserMetricsAction("BlockedPluginInfobar.Shown.Java"));
 100   } else if (utf8_name == PluginMetadata::kQuickTimeGroupName) {
 101     content::RecordAction(
 102         UserMetricsAction("BlockedPluginInfobar.Shown.QuickTime"));
 103   } else if (utf8_name == PluginMetadata::kShockwaveGroupName) {
 104     content::RecordAction(
 105         UserMetricsAction("BlockedPluginInfobar.Shown.Shockwave"));
 106   } else if (utf8_name == PluginMetadata::kRealPlayerGroupName) {
 107     content::RecordAction(
 108         UserMetricsAction("BlockedPluginInfobar.Shown.RealPlayer"));
 109   } else if (utf8_name == PluginMetadata::kWindowsMediaPlayerGroupName) {
 110     content::RecordAction(
 111         UserMetricsAction("BlockedPluginInfobar.Shown.WindowsMediaPlayer"));
 112   }
 113 }
 114
 115 UnauthorizedPluginInfoBarDelegate::UnauthorizedPluginInfoBarDelegate(
 116     HostContentSettingsMap* content_settings,
 117     const base::string16& name,
 118     const std::string& identifier)
 119     : PluginInfoBarDelegate(identifier),
 120       content_settings_(content_settings),
 121       name_(name) {
 122 }
 123
 124 UnauthorizedPluginInfoBarDelegate::~UnauthorizedPluginInfoBarDelegate() {
 125   content::RecordAction(UserMetricsAction("BlockedPluginInfobar.Closed"));
 126 }
 127
 128 std::string UnauthorizedPluginInfoBarDelegate::GetLearnMoreURL() const {
 129   return chrome::kBlockedPluginLearnMoreURL;
 130 }
 131
 132 base::string16 UnauthorizedPluginInfoBarDelegate::GetMessageText() const {
 133   return l10n_util::GetStringFUTF16(IDS_PLUGIN_NOT_AUTHORIZED, name_);
 134 }
 135
 136 base::string16 UnauthorizedPluginInfoBarDelegate::GetButtonLabel(
 137     InfoBarButton button) const {
 138   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
 139       IDS_PLUGIN_ENABLE_TEMPORARILY : IDS_PLUGIN_ENABLE_ALWAYS);
 140 }
 141
 142 bool UnauthorizedPluginInfoBarDelegate::Accept() {
 143   content::RecordAction(
 144       UserMetricsAction("BlockedPluginInfobar.AllowThisTime"));
 145   LoadBlockedPlugins();
 146   return true;
 147 }
 148
 149 bool UnauthorizedPluginInfoBarDelegate::Cancel() {
 150   content::RecordAction(UserMetricsAction("BlockedPluginInfobar.AlwaysAllow"));
 151   const GURL& url = InfoBarService::WebContentsFromInfoBar(infobar())->GetURL();
 152   content_settings_->AddExceptionForURL(url, url, CONTENT_SETTINGS_TYPE_PLUGINS,
 153                                         CONTENT_SETTING_ALLOW);
 154   LoadBlockedPlugins();
 155   return true;
 156 }
 157
 158 void UnauthorizedPluginInfoBarDelegate::InfoBarDismissed() {
 159   content::RecordAction(UserMetricsAction("BlockedPluginInfobar.Dismissed"));
 160 }
 161
 162 bool UnauthorizedPluginInfoBarDelegate::LinkClicked(
 163     WindowOpenDisposition disposition) {
 164   content::RecordAction(UserMetricsAction("BlockedPluginInfobar.LearnMore"));
 165   return PluginInfoBarDelegate::LinkClicked(disposition);
 166 }
 167
 168
 169 #if defined(ENABLE_PLUGIN_INSTALLATION)
 170
 171 // OutdatedPluginInfoBarDelegate ----------------------------------------------
 172
 173 void OutdatedPluginInfoBarDelegate::Create(
 174     InfoBarService* infobar_service,
 175     PluginInstaller* installer,
 176     scoped_ptr<PluginMetadata> plugin_metadata) {
 177   // Copy the name out of |plugin_metadata| now, since the Pass() call below
 178   // will make it impossible to get at.
 179   base::string16 name(plugin_metadata->name());
 180   infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
 181       scoped_ptr<ConfirmInfoBarDelegate>(new OutdatedPluginInfoBarDelegate(
 182           installer, plugin_metadata.Pass(), l10n_util::GetStringFUTF16(
 183               (installer->state() == PluginInstaller::INSTALLER_STATE_IDLE) ?
 184                   IDS_PLUGIN_OUTDATED_PROMPT : IDS_PLUGIN_DOWNLOADING,
 185               name)))));
 186 }
 187
 188 OutdatedPluginInfoBarDelegate::OutdatedPluginInfoBarDelegate(
 189     PluginInstaller* installer,
 190     scoped_ptr<PluginMetadata> plugin_metadata,
 191     const base::string16& message)
 192     : PluginInfoBarDelegate(plugin_metadata->identifier()),
 193       WeakPluginInstallerObserver(installer),
 194       plugin_metadata_(plugin_metadata.Pass()),
 195       message_(message) {
 196   content::RecordAction(UserMetricsAction("OutdatedPluginInfobar.Shown"));
 197   std::string name = base::UTF16ToUTF8(plugin_metadata_->name());
 198   if (name == PluginMetadata::kJavaGroupName) {
 199     content::RecordAction(
 200         UserMetricsAction("OutdatedPluginInfobar.Shown.Java"));
 201   } else if (name == PluginMetadata::kQuickTimeGroupName) {
 202     content::RecordAction(
 203         UserMetricsAction("OutdatedPluginInfobar.Shown.QuickTime"));
 204   } else if (name == PluginMetadata::kShockwaveGroupName) {
 205     content::RecordAction(
 206         UserMetricsAction("OutdatedPluginInfobar.Shown.Shockwave"));
 207   } else if (name == PluginMetadata::kRealPlayerGroupName) {
 208     content::RecordAction(
 209         UserMetricsAction("OutdatedPluginInfobar.Shown.RealPlayer"));
 210   } else if (name == PluginMetadata::kSilverlightGroupName) {
 211     content::RecordAction(
 212         UserMetricsAction("OutdatedPluginInfobar.Shown.Silverlight"));
 213   } else if (name == PluginMetadata::kAdobeReaderGroupName) {
 214     content::RecordAction(
 215         UserMetricsAction("OutdatedPluginInfobar.Shown.Reader"));
 216   }
 217 }
 218
 219 OutdatedPluginInfoBarDelegate::~OutdatedPluginInfoBarDelegate() {
 220   content::RecordAction(UserMetricsAction("OutdatedPluginInfobar.Closed"));
 221 }
 222
 223 std::string OutdatedPluginInfoBarDelegate::GetLearnMoreURL() const {
 224   return chrome::kOutdatedPluginLearnMoreURL;
 225 }
 226
 227 base::string16 OutdatedPluginInfoBarDelegate::GetMessageText() const {
 228   return message_;
 229 }
 230
 231 base::string16 OutdatedPluginInfoBarDelegate::GetButtonLabel(
 232     InfoBarButton button) const {
 233   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
 234       IDS_PLUGIN_UPDATE : IDS_PLUGIN_ENABLE_TEMPORARILY);
 235 }
 236
 237 bool OutdatedPluginInfoBarDelegate::Accept() {
 238   DCHECK_EQ(PluginInstaller::INSTALLER_STATE_IDLE, installer()->state());
 239   content::RecordAction(UserMetricsAction("OutdatedPluginInfobar.Update"));
 240   // A call to any of |OpenDownloadURL()| or |StartInstalling()| will
 241   // result in deleting ourselves. Accordingly, we make sure to
 242   // not pass a reference to an object that can go away.
 243   GURL plugin_url(plugin_metadata_->plugin_url());
 244   content::WebContents* web_contents =
 245       InfoBarService::WebContentsFromInfoBar(infobar());
 246   if (plugin_metadata_->url_for_display())
 247     installer()->OpenDownloadURL(plugin_url, web_contents);
 248   else
 249     installer()->StartInstalling(plugin_url, web_contents);
 250   return false;
 251 }
 252
 253 bool OutdatedPluginInfoBarDelegate::Cancel() {
 254   content::RecordAction(
 255       UserMetricsAction("OutdatedPluginInfobar.AllowThisTime"));
 256   LoadBlockedPlugins();
 257   return true;
 258 }
 259
 260 void OutdatedPluginInfoBarDelegate::InfoBarDismissed() {
 261   content::RecordAction(UserMetricsAction("OutdatedPluginInfobar.Dismissed"));
 262 }
 263
 264 bool OutdatedPluginInfoBarDelegate::LinkClicked(
 265     WindowOpenDisposition disposition) {
 266   content::RecordAction(UserMetricsAction("OutdatedPluginInfobar.LearnMore"));
 267   return PluginInfoBarDelegate::LinkClicked(disposition);
 268 }
 269
 270 void OutdatedPluginInfoBarDelegate::DownloadStarted() {
 271   ReplaceWithInfoBar(l10n_util::GetStringFUTF16(IDS_PLUGIN_DOWNLOADING,
 272                                                 plugin_metadata_->name()));
 273 }
 274
 275 void OutdatedPluginInfoBarDelegate::DownloadError(const std::string& message) {
 276   ReplaceWithInfoBar(l10n_util::GetStringFUTF16(IDS_PLUGIN_DOWNLOAD_ERROR_SHORT,
 277                                                 plugin_metadata_->name()));
 278 }
 279
 280 void OutdatedPluginInfoBarDelegate::DownloadCancelled() {
 281   ReplaceWithInfoBar(l10n_util::GetStringFUTF16(IDS_PLUGIN_DOWNLOAD_CANCELLED,
 282                                                 plugin_metadata_->name()));
 283 }
 284
 285 void OutdatedPluginInfoBarDelegate::DownloadFinished() {
 286   ReplaceWithInfoBar(l10n_util::GetStringFUTF16(IDS_PLUGIN_UPDATING,
 287                                                 plugin_metadata_->name()));
 288 }
 289
 290 void OutdatedPluginInfoBarDelegate::OnlyWeakObserversLeft() {
 291   infobar()->RemoveSelf();
 292 }
 293
 294 void OutdatedPluginInfoBarDelegate::ReplaceWithInfoBar(
 295     const base::string16& message) {
 296   // Return early if the message doesn't change. This is important in case the
 297   // PluginInstaller is still iterating over its observers (otherwise we would
 298   // keep replacing infobar delegates infinitely).
 299   if ((message_ == message) || !infobar()->owner())
 300     return;
 301   PluginInstallerInfoBarDelegate::Replace(
 302       infobar(), installer(), plugin_metadata_->Clone(), false, message);
 303 }
 304
 305
 306 // PluginInstallerInfoBarDelegate ---------------------------------------------
 307
 308 void PluginInstallerInfoBarDelegate::Create(
 309     InfoBarService* infobar_service,
 310     PluginInstaller* installer,
 311     scoped_ptr<PluginMetadata> plugin_metadata,
 312     const InstallCallback& callback) {
 313   base::string16 name(plugin_metadata->name());
 314 #if defined(OS_WIN)
 315   if (base::win::IsMetroProcess()) {
 316     PluginMetroModeInfoBarDelegate::Create(
 317         infobar_service, PluginMetroModeInfoBarDelegate::MISSING_PLUGIN, name);
 318     return;
 319   }
 320 #endif
 321   infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
 322       scoped_ptr<ConfirmInfoBarDelegate>(new PluginInstallerInfoBarDelegate(
 323           installer, plugin_metadata.Pass(), callback, true,
 324           l10n_util::GetStringFUTF16(
 325               (installer->state() == PluginInstaller::INSTALLER_STATE_IDLE) ?
 326                   IDS_PLUGININSTALLER_INSTALLPLUGIN_PROMPT :
 327                   IDS_PLUGIN_DOWNLOADING,
 328               name)))));
 329 }
 330
 331 void PluginInstallerInfoBarDelegate::Replace(
 332     infobars::InfoBar* infobar,
 333     PluginInstaller* installer,
 334     scoped_ptr<PluginMetadata> plugin_metadata,
 335     bool new_install,
 336     const base::string16& message) {
 337   DCHECK(infobar->owner());
 338   infobar->owner()->ReplaceInfoBar(infobar,
 339       ConfirmInfoBarDelegate::CreateInfoBar(scoped_ptr<ConfirmInfoBarDelegate>(
 340           new PluginInstallerInfoBarDelegate(
 341               installer, plugin_metadata.Pass(),
 342               PluginInstallerInfoBarDelegate::InstallCallback(), new_install,
 343               message))));
 344 }
 345
 346 PluginInstallerInfoBarDelegate::PluginInstallerInfoBarDelegate(
 347     PluginInstaller* installer,
 348     scoped_ptr<PluginMetadata> plugin_metadata,
 349     const InstallCallback& callback,
 350     bool new_install,
 351     const base::string16& message)
 352     : ConfirmInfoBarDelegate(),
 353       WeakPluginInstallerObserver(installer),
 354       plugin_metadata_(plugin_metadata.Pass()),
 355       callback_(callback),
 356       new_install_(new_install),
 357       message_(message) {
 358 }
 359
 360 PluginInstallerInfoBarDelegate::~PluginInstallerInfoBarDelegate() {
 361 }
 362
 363 int PluginInstallerInfoBarDelegate::GetIconID() const {
 364   return IDR_INFOBAR_PLUGIN_INSTALL;
 365 }
 366
 367 base::string16 PluginInstallerInfoBarDelegate::GetMessageText() const {
 368   return message_;
 369 }
 370
 371 int PluginInstallerInfoBarDelegate::GetButtons() const {
 372   return callback_.is_null() ? BUTTON_NONE : BUTTON_OK;
 373 }
 374
 375 base::string16 PluginInstallerInfoBarDelegate::GetButtonLabel(
 376     InfoBarButton button) const {
 377   DCHECK_EQ(BUTTON_OK, button);
 378   return l10n_util::GetStringUTF16(IDS_PLUGININSTALLER_INSTALLPLUGIN_BUTTON);
 379 }
 380
 381 bool PluginInstallerInfoBarDelegate::Accept() {
 382   callback_.Run(plugin_metadata_.get());
 383   return false;
 384 }
 385
 386 base::string16 PluginInstallerInfoBarDelegate::GetLinkText() const {
 387   return l10n_util::GetStringUTF16(new_install_ ?
 388       IDS_PLUGININSTALLER_PROBLEMSINSTALLING :
 389       IDS_PLUGININSTALLER_PROBLEMSUPDATING);
 390 }
 391
 392 bool PluginInstallerInfoBarDelegate::LinkClicked(
 393     WindowOpenDisposition disposition) {
 394   GURL url(plugin_metadata_->help_url());
 395   if (url.is_empty()) {
 396     url = google_util::AppendGoogleLocaleParam(GURL(
 397         "https://www.google.com/support/chrome/bin/answer.py?answer=142064"));
 398   }
 399   InfoBarService::WebContentsFromInfoBar(infobar())->OpenURL(
 400       content::OpenURLParams(
 401           url, content::Referrer(),
 402           (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
 403           content::PAGE_TRANSITION_LINK, false));
 404   return false;
 405 }
 406
 407 void PluginInstallerInfoBarDelegate::DownloadStarted() {
 408   ReplaceWithInfoBar(l10n_util::GetStringFUTF16(IDS_PLUGIN_DOWNLOADING,
 409                                                 plugin_metadata_->name()));
 410 }
 411
 412 void PluginInstallerInfoBarDelegate::DownloadCancelled() {
 413   ReplaceWithInfoBar(l10n_util::GetStringFUTF16(IDS_PLUGIN_DOWNLOAD_CANCELLED,
 414                                                 plugin_metadata_->name()));
 415 }
 416
 417 void PluginInstallerInfoBarDelegate::DownloadError(const std::string& message) {
 418   ReplaceWithInfoBar(l10n_util::GetStringFUTF16(IDS_PLUGIN_DOWNLOAD_ERROR_SHORT,
 419                                                 plugin_metadata_->name()));
 420 }
 421
 422 void PluginInstallerInfoBarDelegate::DownloadFinished() {
 423   ReplaceWithInfoBar(
 424       l10n_util::GetStringFUTF16(
 425           new_install_ ? IDS_PLUGIN_INSTALLING : IDS_PLUGIN_UPDATING,
 426           plugin_metadata_->name()));
 427 }
 428
 429 void PluginInstallerInfoBarDelegate::OnlyWeakObserversLeft() {
 430   infobar()->RemoveSelf();
 431 }
 432
 433 void PluginInstallerInfoBarDelegate::ReplaceWithInfoBar(
 434     const base::string16& message) {
 435   // Return early if the message doesn't change. This is important in case the
 436   // PluginInstaller is still iterating over its observers (otherwise we would
 437   // keep replacing infobar delegates infinitely).
 438   if ((message_ == message) || !infobar()->owner())
 439     return;
 440   Replace(infobar(), installer(), plugin_metadata_->Clone(), new_install_,
 441           message);
 442 }
 443
 444
 445 #if defined(OS_WIN)
 446
 447 // PluginMetroModeInfoBarDelegate ---------------------------------------------
 448
 449 // static
 450 void PluginMetroModeInfoBarDelegate::Create(
 451     InfoBarService* infobar_service,
 452     PluginMetroModeInfoBarDelegate::Mode mode,
 453     const base::string16& name) {
 454   infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
 455       scoped_ptr<ConfirmInfoBarDelegate>(
 456           new PluginMetroModeInfoBarDelegate(mode, name))));
 457 }
 458
 459 PluginMetroModeInfoBarDelegate::PluginMetroModeInfoBarDelegate(
 460     PluginMetroModeInfoBarDelegate::Mode mode,
 461     const base::string16& name)
 462     : ConfirmInfoBarDelegate(),
 463       mode_(mode),
 464       name_(name) {
 465 }
 466
 467 PluginMetroModeInfoBarDelegate::~PluginMetroModeInfoBarDelegate() {
 468 }
 469
 470 int PluginMetroModeInfoBarDelegate::GetIconID() const {
 471   return IDR_INFOBAR_PLUGIN_INSTALL;
 472 }
 473
 474 base::string16 PluginMetroModeInfoBarDelegate::GetMessageText() const {
 475   return l10n_util::GetStringFUTF16((mode_ == MISSING_PLUGIN) ?
 476       IDS_METRO_MISSING_PLUGIN_PROMPT : IDS_METRO_NPAPI_PLUGIN_PROMPT, name_);
 477 }
 478
 479 int PluginMetroModeInfoBarDelegate::GetButtons() const {
 480   return BUTTON_OK;
 481 }
 482
 483 base::string16 PluginMetroModeInfoBarDelegate::GetButtonLabel(
 484     InfoBarButton button) const {
 485 #if defined(USE_AURA) && defined(USE_ASH)
 486   return l10n_util::GetStringUTF16(IDS_WIN8_DESKTOP_RESTART);
 487 #else
 488   return l10n_util::GetStringUTF16((mode_ == MISSING_PLUGIN) ?
 489       IDS_WIN8_DESKTOP_RESTART : IDS_WIN8_DESKTOP_OPEN);
 490 #endif
 491 }
 492
 493 #if defined(USE_AURA) && defined(USE_ASH)
 494 void LaunchDesktopInstanceHelper(const base::string16& url) {
 495   base::FilePath exe_path;
 496   if (!PathService::Get(base::FILE_EXE, &exe_path))
 497     return;
 498   base::FilePath shortcut_path(
 499       ShellIntegration::GetStartMenuShortcut(exe_path));
 500
 501   // Actually launching the process needs to happen in the metro viewer,
 502   // otherwise it won't automatically transition to desktop.  So we have
 503   // to send an IPC to the viewer to do the ShellExecute.
 504   aura::RemoteWindowTreeHostWin::Instance()->HandleOpenURLOnDesktop(
 505       shortcut_path, url);
 506 }
 507 #endif
 508
 509 bool PluginMetroModeInfoBarDelegate::Accept() {
 510   chrome::AttemptRestartToDesktopMode();
 511   return true;
 512 }
 513
 514 base::string16 PluginMetroModeInfoBarDelegate::GetLinkText() const {
 515   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 516 }
 517
 518 bool PluginMetroModeInfoBarDelegate::LinkClicked(
 519     WindowOpenDisposition disposition) {
 520   // TODO(shrikant): We may need to change language a little at following
 521   // support URLs. With new approach we will just restart for both missing
 522   // and not missing mode.
 523   InfoBarService::WebContentsFromInfoBar(infobar())->OpenURL(
 524       content::OpenURLParams(
 525           GURL((mode_ == MISSING_PLUGIN) ?
 526               "https://support.google.com/chrome/?p=ib_display_in_desktop" :
 527               "https://support.google.com/chrome/?p=ib_redirect_to_desktop"),
 528           content::Referrer(),
 529           (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
 530           content::PAGE_TRANSITION_LINK, false));
 531   return false;
 532 }
 533
 534 #endif  // defined(OS_WIN)
 535
 536 #endif  // defined(ENABLE_PLUGIN_INSTALLATION)