AutoDiscardable property support on Chrome Extensions Tabs API.

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 <set>
 #include <string>
@@ skipping 76 matching lines @@
   // favicon::FaviconDriverObserver:
   void OnFaviconUpdated(favicon::FaviconDriver* favicon_driver,
                         NotificationIconType notification_icon_type,
                         const GURL& icon_url,
                         bool icon_url_changed,
                         const gfx::Image& image) override;
 
   // memory::TabManagerObserver:
   void OnDiscardedStateChange(content::WebContents* contents,
                               bool is_discarded) override;
+  void OnAutoDiscardableStateChange(content::WebContents* contents,
+                                    bool is_auto_discardable) 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. Intended to be called when
   // there's any changed property.
   class TabEntry;
   void TabUpdated(TabEntry* entry,
                   std::set<std::string> changed_property_names);
@@ skipping 98 matching lines @@
 
   ScopedObserver<memory::TabManager, TabsEventRouter>
       tab_manager_scoped_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(TabsEventRouter);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_EVENT_ROUTER_H_