Change grow box computation back to a method on BrowserWindow

content/browser/renderer_host/render_widget_host_view_win.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_VIEW_WIN_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_
 #pragma once
 
 #include <atlbase.h>
 #include <atlapp.h>
@@ skipping 299 matching lines @@
                                short scroll_position);
 
   // Shuts down the render_widget_host_.  This is a separate function so we can
   // invoke it from the message loop.
   void ShutdownHost();
 
   // Redraws the window synchronously, and any child windows (i.e. plugins)
   // asynchronously.
   void Redraw();
 
+  // Draw the resize corner bitmap on top of the given HDC, if it intersects the
+  // given paint rect.
+  void DrawResizeCorner(const gfx::Rect& paint_rect, HDC dc);
+
   // Draw our background over the given HDC in the given |rect|. The background
   // will be tiled such that it lines up with existing tiles starting from the
   // origin of |dc|.
   void DrawBackground(const RECT& rect, CPaintDC* dc);
 
   // Create an intermediate window between the given HWND and its parent.
   HWND ReparentWindow(HWND window);
 
   // Clean up the compositor window, if needed.
   void CleanupCompositorWindow();
@@ skipping 204 matching lines @@
   // Set to true if the focus is currently on an editable field on the page.
   bool focus_on_editable_field_;
 
   // Set to true if we received a focus change after a WM_POINTERDOWN message.
   bool received_focus_change_after_pointer_down_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewWin);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_