[Mac] Rubber-banding on Lion.

content/renderer/render_view.cc

 // Copyright (c) 2011 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.
 
 #include "content/renderer/render_view.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 3926 matching lines @@
     gfx::Rect* clip) {
   return pepper_delegate_.GetBitmapForOptimizedPluginPaint(
       paint_bounds, dib, location, clip);
 }
 
 gfx::Point RenderView::GetScrollOffset() {
   WebSize scroll_offset = webview()->mainFrame()->scrollOffset();
   return gfx::Point(scroll_offset.width, scroll_offset.height);
 }
 
+gfx::Size RenderView::GetContentsSize() {
+  WebSize bounds = webview()->mainFrame()->contentsSize();
+  return gfx::Size(bounds.width, bounds.height);
+}
+
 void RenderView::OnClearFocusedNode() {
   if (webview())
     webview()->clearFocusedNode();
 }
 
 void RenderView::OnSetBackground(const SkBitmap& background) {
   if (webview())
     webview()->setIsTransparent(!background.empty());
 
   SetBackground(background);
@@ skipping 527 matching lines @@
 }
 #endif
 
 void RenderView::OnContextMenuClosed(
     const webkit_glue::CustomContextMenuContext& custom_context) {
   if (custom_context.is_pepper_menu)
     pepper_delegate_.OnContextMenuClosed(custom_context);
   else
     context_menu_node_.reset();
 }