Don't request wheel or touch events when the view of pepper has no area.

content/renderer/pepper/pepper_plugin_instance_impl.h

Index: content/renderer/pepper/pepper_plugin_instance_impl.h
diff --git a/content/renderer/pepper/pepper_plugin_instance_impl.h b/content/renderer/pepper/pepper_plugin_instance_impl.h
index 213c81262a0e64b0c91b9fb70f0a1ddc6e98c3c0..2542a91a7fee28fccd226e3eb6f5fed4e8fc8ac1 100644
--- a/content/renderer/pepper/pepper_plugin_instance_impl.h
+++ b/content/renderer/pepper/pepper_plugin_instance_impl.h
@@ -633,9 +633,7 @@ class CONTENT_EXPORT PepperPluginInstanceImpl
   void SendFocusChangeNotification();
 
   void UpdateTouchEventRequest();
-
-  // Returns true if the plugin has registered to accept wheel events.
-  bool IsAcceptingWheelEvents() const;
+  void UpdateWheelEventRequest();
 
   void ScheduleAsyncDidChangeView();
   void SendAsyncDidChangeView();