Move Sad Tab implementation out of the TabContentsViews.

chrome/browser/ui/tab_contents/tab_contents_wrapper.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 
 #include "base/utf_string_conversions.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 29 matching lines @@
 #include "chrome/browser/tab_contents/thumbnail_generator.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/ui/blocked_content/blocked_content_tab_helper.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
 #include "chrome/browser/ui/constrained_window_tab_helper.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
 #include "chrome/browser/ui/intents/web_intent_picker_factory_impl.h"
 #include "chrome/browser/ui/intents/web_intent_picker_controller.h"
+#include "chrome/browser/ui/sad_tab_observer.h"
 #include "chrome/browser/ui/search_engines/search_engine_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper_delegate.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/tab_contents_view.h"
 #include "content/public/browser/notification_service.h"
 #include "grit/generated_resources.h"
@@ skipping 239 matching lines @@
       this, new WebIntentPickerFactoryImpl()));
 
   // Create the per-tab observers.
   download_request_limiter_observer_.reset(
       new DownloadRequestLimiterObserver(contents));
   webnavigation_observer_.reset(
       new ExtensionWebNavigationTabObserver(contents));
   external_protocol_observer_.reset(new ExternalProtocolObserver(contents));
   plugin_observer_.reset(new PluginObserver(this));
   print_preview_.reset(new printing::PrintPreviewMessageHandler(contents));
+  sad_tab_observer_.reset(new SadTabObserver(contents));
   // Start the in-browser thumbnailing if the feature is enabled.
   if (switches::IsInBrowserThumbnailingEnabled()) {
     thumbnail_generation_observer_.reset(new ThumbnailGenerator);
     thumbnail_generation_observer_->StartThumbnailing(tab_contents_.get());
   }
 
   // Set-up the showing of the omnibox search infobar if applicable.
   if (OmniboxSearchHint::IsEnabled(profile()))
     omnibox_search_hint_.reset(new OmniboxSearchHint(this));
 
@@ skipping 392 matching lines @@
   render_view_host()->Send(
       new ChromeViewMsg_SetClientSidePhishingDetection(routing_id(),
                                                        safe_browsing));
 #endif
 }
 
 void TabContentsWrapper::ExitFullscreenMode() {
   if (tab_contents() && render_view_host())
     tab_contents()->render_view_host()->ExitFullscreen();
 }