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

content/renderer/pepper/plugin_instance_throttler_impl.h

 // Copyright 2014 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 CONTENT_RENDERER_PEPPER_PLUGIN_INSTANCE_THROTTLER_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PLUGIN_INSTANCE_THROTTLER_IMPL_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
@@ skipping 18 matching lines @@
   ~PluginInstanceThrottlerImpl() override;
 
   // PluginInstanceThrottler implementation:
   void AddObserver(Observer* observer) override;
   void RemoveObserver(Observer* observer) override;
   bool IsThrottled() const override;
   bool IsHiddenForPlaceholder() const override;
   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);
 
   bool needs_representative_keyframe() const {
     return state_ == THROTTLER_STATE_AWAITING_KEYFRAME;
   }
 
   bool power_saver_enabled() const {
     return state_ == THROTTLER_STATE_AWAITING_KEYFRAME ||
            state_ == THROTTLER_STATE_PLUGIN_THROTTLED;
   }
 
   // Throttler needs to be initialized with the real plugin's view bounds.
   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.
   void OnImageFlush(const SkBitmap* bitmap);
 
   // Returns true if |event| was handled and shouldn't be further processed.
   bool ConsumeInputEvent(const blink::WebInputEvent& event);
 
  private:
   friend class PluginInstanceThrottlerImplTest;
@@ skipping 21 matching lines @@
   bool is_hidden_for_placeholder_;
 
   blink::WebPlugin* web_plugin_;
 
   // Number of consecutive interesting frames we've encountered.
   int consecutive_interesting_frames_;
 
   // 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_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInstanceThrottlerImpl);
 };
 }
 
 #endif  // CONTENT_RENDERER_PEPPER_PLUGIN_INSTANCE_THROTTLER_IMPL_H_