Remove NOTIFICATION_FAVICON_UPDATED

chrome/browser/extensions/api/tabs/tabs_event_router.h

 // Copyright 2013 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_EVENT_ROUTER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_EVENT_ROUTER_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/scoped_observer.h"
 #include "chrome/browser/extensions/api/tabs/tabs_api.h"
 #include "chrome/browser/ui/browser_list_observer.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
+#include "components/favicon/core/favicon_driver_observer.h"
 #include "components/ui/zoom/zoom_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/event_router.h"
 
+class FaviconTabHelper;
+
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 
 // The TabsEventRouter listens to tab events and routes them to listeners inside
 // extension process renderers.
 // TabsEventRouter will only route events from windows/tabs within a profile to
 // extension processes in the same profile.
 class TabsEventRouter : public TabStripModelObserver,
                         public chrome::BrowserListObserver,
                         public content::NotificationObserver,
+                        public favicon::FaviconDriverObserver,
                         public ui_zoom::ZoomObserver {
  public:
   explicit TabsEventRouter(Profile* profile);
   ~TabsEventRouter() override;
 
   // chrome::BrowserListObserver
   void OnBrowserAdded(Browser* browser) override;
   void OnBrowserRemoved(Browser* browser) override;
   void OnBrowserSetLastActive(Browser* browser) override;
 
@@ skipping 26 matching lines @@
 
   // content::NotificationObserver.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // ZoomObserver.
   void OnZoomChanged(
       const ui_zoom::ZoomController::ZoomChangedEventData& data) override;
 
+  // favicon::FaviconDriverObserver.
+  void OnFaviconAvailable(const gfx::Image& image) override;
+  void OnFaviconUpdated(favicon::FaviconDriver* favicon_driver,
+                        bool icon_url_changed) override;
+
  private:
   // "Synthetic" event. Called from TabInsertedAt if new tab is detected.
   void TabCreatedAt(content::WebContents* contents, int index, bool active);
 
   // Internal processing of tab updated events. Is called by both TabChangedAt
   // and Observe/NAV_ENTRY_COMMITTED.
   void TabUpdated(content::WebContents* contents, bool did_navigate);
 
   // Triggers a tab updated event if the favicon URL changes.
   void FaviconUrlUpdated(content::WebContents* contents);
@@ skipping 73 matching lines @@
 
   // Gets the TabEntry for the given |contents|. Returns TabEntry* if
   // found, NULL if not.
   TabEntry* GetTabEntry(content::WebContents* contents);
 
   std::map<int, TabEntry> tab_entries_;
 
   // The main profile that owns this event router.
   Profile* profile_;
 
+  ScopedObserver<FaviconTabHelper, TabsEventRouter> favicon_scoped_observer_;
+
   DISALLOW_COPY_AND_ASSIGN(TabsEventRouter);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_EVENT_ROUTER_H_