Remove grow box rect support, browser part.

content/browser/renderer_host/render_widget_host_delegate.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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 155 matching lines @@
 
   // Requests to lock the mouse. Once the request is approved or rejected,
   // GotResponseToLockMouseRequest() will be called on the requesting render
   // widget host. |privileged| means that the request is always granted, used
   // for Pepper Flash.
   virtual void RequestToLockMouse(RenderWidgetHostImpl* render_widget_host,
                                   bool user_gesture,
                                   bool last_unlocked_by_target,
                                   bool privileged) {}
 
-  // Return the rect where to display the resize corner, if any, otherwise
-  // an empty rect.
-  virtual gfx::Rect GetRootWindowResizerRect(
-      RenderWidgetHostImpl* render_widget_host) const;
-
   // Returns whether the associated tab is in fullscreen mode.
   virtual bool IsFullscreenForCurrentTab() const;
 
   // Returns the display mode for the view.
   virtual blink::WebDisplayMode GetDisplayMode(
       RenderWidgetHostImpl* render_widget_host) const;
 
   // Notification that the widget has lost capture.
   virtual void LostCapture(RenderWidgetHostImpl* render_widget_host) {}
 
@@ skipping 31 matching lines @@
   // this RenderWidgetHost.
   virtual bool IsHidden();
 
  protected:
   virtual ~RenderWidgetHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_DELEGATE_H_