Change grow box computation back to a method on BrowserWindow

content/public/browser/render_view_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_PUBLIC_BROWSER_RENDER_VIEW_HOST_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_DELEGATE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 185 matching lines @@
 
   // Return this object cast to a TabContents, if it is one. If the object is
   // not a TabContents, returns NULL. DEPRECATED: Be sure to include brettw or
   // jam as reviewers before you use this method. http://crbug.com/82582
   virtual TabContents* GetAsTabContents();
   virtual content::WebContents* GetAsWebContents();
 
   // Return type of RenderView which is attached with this object.
   virtual content::ViewType GetRenderViewType() const = 0;
 
+  // Return the rect where to display the resize corner, if any, otherwise
+  // an empty rect.
+  virtual gfx::Rect GetRootWindowResizerRect() const = 0;
+
   // The RenderView is being constructed (message sent to the renderer process
   // to construct a RenderView).  Now is a good time to send other setup events
   // to the RenderView.  This precedes any other commands to the RenderView.
   virtual void RenderViewCreated(RenderViewHost* render_view_host) {}
 
   // The RenderView has been constructed.
   virtual void RenderViewReady(RenderViewHost* render_view_host) {}
 
   // The RenderView died somehow (crashed or was killed by the user).
   virtual void RenderViewGone(RenderViewHost* render_view_host,
@@ skipping 180 matching lines @@
   // Notification that the view has lost the mouse lock.
   virtual void LostMouseLock() {}
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_DELEGATE_H_