Add a new resizer corner overlay.

chrome/browser/renderer_host/render_widget_host.h

 // Copyright (c) 2006-2008 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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 
 #include <vector>
 
 #include "base/gfx/size.h"
@@ skipping 187 matching lines @@
   // repaint.
   void SystemThemeChanged();
 
   // Forwards the given message to the renderer. These are called by the view
   // when it has received a message.
   void ForwardMouseEvent(const WebMouseEvent& mouse_event);
   void ForwardWheelEvent(const WebMouseWheelEvent& wheel_event);
   void ForwardKeyboardEvent(const WebKeyboardEvent& key_event);
   void ForwardInputEvent(const WebInputEvent& input_event, int event_size);
 
+  // This is for derived classes to give us access to the resizer rect.
+  // And to also expose it to the RenderWidgetHostView.
+  virtual gfx::Rect GetRootWindowResizerRect() const;
+
  protected:
   // Called when we receive a notification indicating that the renderer
   // process has gone. This will reset our state so that our state will be
   // consistent if a new renderer is created.
   void RendererExited();
 
   // Called when we an InputEvent was not processed by the renderer. This is
   // overridden by RenderView to send upwards to its delegate.
   virtual void UnhandledInputEvent(const WebInputEvent& event) {}
 
@@ skipping 121 matching lines @@
   bool view_being_painted_;
 
   // Used for UMA histogram logging to measure the time for a repaint view
   // operation to finish.
   base::TimeTicks repaint_start_time_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_