Make RenderWidget send UpdateRect after auto-resize.

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_
 #pragma once
 
 #include <deque>
 #include <vector>
@@ skipping 393 matching lines @@
   // Flags for the next ViewHostMsg_UpdateRect message.
   int next_paint_flags_;
 
   // Filtered time per frame based on UpdateRect messages.
   float filtered_time_per_frame_;
 
   // True if we are expecting an UpdateRect_ACK message (i.e., that a
   // UpdateRect message has been sent).
   bool update_reply_pending_;
 
+  // True if we need to send an UpdateRect message to notify the browser about
+  // an already-completed auto-resize.
+  bool need_update_rect_for_auto_resize_;
+
   // True if the underlying graphics context supports asynchronous swap.
   // Cached on the RenderWidget because determining support is costly.
   bool using_asynchronous_swapbuffers_;
 
   // Number of OnSwapBuffersComplete we are expecting. Incremented each time
   // WebWidget::composite has been been performed when the RenderWidget subclass
   // SupportsAsynchronousSwapBuffers. Decremented in OnSwapBuffers. Will block
   // rendering.
   int num_swapbuffers_complete_pending_;
 
@@ skipping 95 matching lines @@
   // Set to true if we should invert all pixels.
   bool invert_;
 
   // The Skia paint object for inverting.
   scoped_ptr<SkPaint> invert_paint_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_