Change grow box computation back to a method on BrowserWindow

chrome/test/base/test_browser_window.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 "chrome/test/base/test_browser_window.h"
 
 #include "ui/gfx/rect.h"
 
 TestBrowserWindow::TestBrowserWindow(Browser* browser) {}
 
@@ skipping 58 matching lines @@
 }
 
 bool TestBrowserWindow::IsTabStripEditable() const {
   return false;
 }
 
 bool TestBrowserWindow::IsToolbarVisible() const {
   return false;
 }
 
+gfx::Rect TestBrowserWindow::GetRootWindowResizerRect() const {
+  return gfx::Rect();
+}
+
 bool TestBrowserWindow::IsPanel() const {
   return false;
 }
 
 void TestBrowserWindow::ShowAboutChromeDialog() {
   return;
 }
 
 bool TestBrowserWindow::IsDownloadShelfVisible() const {
   return false;
@@ skipping 18 matching lines @@
 }
 
 WindowOpenDisposition TestBrowserWindow::GetDispositionForPopupBounds(
     const gfx::Rect& bounds) {
   return NEW_POPUP;
 }
 
 FindBar* TestBrowserWindow::CreateFindBar() {
   return NULL;
 }