Remove renderer-side tracking of accelerated compositing

content/renderer/render_widget.h

 // Copyright (c) 2012 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_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 104 matching lines @@
   // IPC::Listener
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
   // IPC::Sender
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // blink::WebWidgetClient
   virtual void suppressCompositorScheduling(bool enable);
   virtual void willBeginCompositorFrame();
   virtual void didAutoResize(const blink::WebSize& new_size);
-  virtual void didActivateCompositor() OVERRIDE;
-  virtual void didDeactivateCompositor();
   virtual void initializeLayerTreeView();
   virtual blink::WebLayerTreeView* layerTreeView();
   virtual void didBecomeReadyForAdditionalInput();
   virtual void didCommitAndDrawCompositorFrame();
   virtual void didCompleteSwapBuffers();
   virtual void scheduleComposite();
   virtual void didFocus();
   virtual void didBlur();
   virtual void didChangeCursor(const blink::WebCursorInfo&);
   virtual void closeWidgetSoon();
@@ skipping 497 matching lines @@
   gfx::Rect window_screen_rect_;
 
   scoped_ptr<IPC::Message> pending_input_event_ack_;
 
   // The time spent in input handlers this frame. Used to throttle input acks.
   base::TimeDelta total_input_handling_time_this_frame_;
 
   // Indicates if the next sequence of Char events should be suppressed or not.
   bool suppress_next_char_events_;
 
-  // Set to true if painting to the window is handled by the accelerated
-  // compositor.
-  bool is_accelerated_compositing_active_;
-
   // Properties of the screen hosting this RenderWidget instance.
   blink::WebScreenInfo screen_info_;
 
   // The device scale factor. This value is computed from the DPI entries in
   // |screen_info_| on some platforms, and defaults to 1 on other platforms.
   float device_scale_factor_;
 
   // State associated with synthetic gestures. Synthetic gestures are processed
   // in-order, so a queue is sufficient to identify the correct state for a
   // completed gesture.
@@ skipping 43 matching lines @@
 
   ui::MenuSourceType context_menu_source_type_;
   gfx::Point touch_editing_context_menu_location_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_