Plugin Power Saver: Throttle 'large' plugins that appear small.

content/renderer/pepper/plugin_instance_throttler_impl.h

Index: content/renderer/pepper/plugin_instance_throttler_impl.h
diff --git a/content/renderer/pepper/plugin_instance_throttler_impl.h b/content/renderer/pepper/plugin_instance_throttler_impl.h
index b223cd26b613c65c5de327ad5676ec3b2e98e553..0d11f1341a8f207afa53bcabf9c89d90b8fd374f 100644
--- a/content/renderer/pepper/plugin_instance_throttler_impl.h
+++ b/content/renderer/pepper/plugin_instance_throttler_impl.h
@@ -36,6 +36,8 @@ class CONTENT_EXPORT PluginInstanceThrottlerImpl
   void MarkPluginEssential(PowerSaverUnthrottleMethod method) override;
   void SetHiddenForPlaceholder(bool hidden) override;
   blink::WebPlugin* GetWebPlugin() const override;
+  int GetWidth() const override;
+  int GetHeight() const override;
 
   void SetWebPlugin(blink::WebPlugin* web_plugin);
 
@@ -52,7 +54,8 @@ class CONTENT_EXPORT PluginInstanceThrottlerImpl
   void Initialize(RenderFrameImpl* frame,
                   const GURL& content_origin,
                   const std::string& plugin_module_name,
-                  const blink::WebRect& bounds);
+                  int width,
+                  int height);
 
   // Called when the plugin flushes it's graphics context. Supplies the
   // throttler with a candidate to use as the representative keyframe.
@@ -94,6 +97,10 @@ class CONTENT_EXPORT PluginInstanceThrottlerImpl
   // Number of frames we've examined to find a keyframe.
   int frames_examined_;
 
+  // Plugin dimensions as of initialization.
+  int initialized_width_;
+  int initialized_height_;
+
   ObserverList<Observer> observer_list_;
 
   base::WeakPtrFactory<PluginInstanceThrottlerImpl> weak_factory_;