[Favicon] Add new fallback icon rendering flow.

chrome/browser/ui/webui/options/browser_options_handler.cc

 // Copyright (c) 2012 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/webui/options/browser_options_handler.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 41 matching lines @@
 #include "chrome/browser/signin/easy_unlock_service.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/sync/sync_ui_util.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/chrome_select_file_policy.h"
 #include "chrome/browser/ui/host_desktop.h"
+#include "chrome/browser/ui/webui/fallback_icon_source.h"
 #include "chrome/browser/ui/webui/favicon_source.h"
 #include "chrome/browser/ui/webui/options/options_handlers_helper.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
@@ skipping 777 matching lines @@
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile));
   // TODO(blundell): Use a ScopedObserver to observe the PSS so that cleanup on
   // destruction is automatic.
   if (sync_service)
     sync_service->AddObserver(this);
 
   SigninManagerBase* signin_manager(
       SigninManagerFactory::GetInstance()->GetForProfile(profile));
   if (signin_manager)
     signin_observer_.Add(signin_manager);
 

[pkotwicz, 2015/01/21 19:44:15]

Remove this too

[huangs, 2015/01/22 01:13:27]

Done.

+  // Create our fallback icon data source.
+  content::URLDataSource::Add(profile, new FallbackIconSource());
   // Create our favicon data source.
   content::URLDataSource::Add(
       profile, new FaviconSource(profile, FaviconSource::FAVICON));
 
   default_browser_policy_.Init(
       prefs::kDefaultBrowserSettingEnabled,
       g_browser_process->local_state(),
       base::Bind(&BrowserOptionsHandler::UpdateDefaultBrowserState,
                  base::Unretained(this)));
 
@@ skipping 1241 matching lines @@
 void BrowserOptionsHandler::OnPolicyUpdated(const policy::PolicyNamespace& ns,
                                             const policy::PolicyMap& previous,
                                             const policy::PolicyMap& current) {
   std::set<std::string> different_keys;
   current.GetDifferingKeys(previous, &different_keys);
   if (ContainsKey(different_keys, policy::key::kMetricsReportingEnabled))
     SetupMetricsReportingCheckbox();
 }
 
 }  // namespace options