Plugin Power Saver: Implement size-based heuristic for peripheral content.

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index 60fdc726a86e9005a816a5b400dbf8a380c3f9e7..dd750e00c01ae2c076d39c6a0981d849e3602071 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -773,6 +773,7 @@ class CONTENT_EXPORT WebContentsImpl
                           bool is_hung);
   void OnPluginCrashed(const base::FilePath& plugin_path,
                        base::ProcessId plugin_pid);
+  void OnPluginContentOriginAllowed(const GURL& content_origin);
   void OnDomOperationResponse(const std::string& json_string,
                               int automation_id);
   void OnAppCacheAccessed(const GURL& manifest_url, bool blocked_by_policy);
@@ -930,6 +931,9 @@ class CONTENT_EXPORT WebContentsImpl
   void RemoveAllMediaPlayerEntries(RenderFrameHost* render_frame_host,
                                    ActiveMediaPlayerMap* player_map);
 
+  // Gets the tab-wide plugin content origin whitelist.
+  std::set<GURL> GetPluginContentOriginWhitelist();
+
   // Adds/removes a callback called on creation of each new WebContents.
   // Deprecated, about to remove.
   static void AddCreatedCallback(const CreatedCallback& callback);
@@ -990,6 +994,12 @@ class CONTENT_EXPORT WebContentsImpl
   scoped_ptr<PowerSaveBlocker> audio_power_save_blocker_;
   scoped_ptr<PowerSaveBlocker> video_power_save_blocker_;
 
+#if defined(ENABLE_PLUGINS)
+  // Plugin content origins that have been whitelisted.
+  typedef std::map<RenderFrameHost*, std::set<GURL>> PluginContentOriginMap;
+  PluginContentOriginMap plugin_content_origin_whitelist_;
+#endif
+
   // Manages the frame tree of the page and process swaps in each node.
   FrameTree frame_tree_;