Allow themes to change the background of the new tab page....

views/widget/default_theme_provider.cc

 // Copyright (c) 2009 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 "views/widget/default_theme_provider.h"
 
 #include "app/resource_bundle.h"
 
 #if defined(OS_WIN)
 #include "app/win_util.h"
 #endif
 
 namespace views {
 
 SkBitmap* DefaultThemeProvider::GetBitmapNamed(int id) {
   return ResourceBundle::GetSharedInstance().GetBitmapNamed(id);
 }
 
 SkColor DefaultThemeProvider::GetColor(int id)  {
   // Return debugging-blue.
   return 0xff0000ff;
 }
 
+bool DefaultThemeProvider::GetDisplayProperty(int id, int* result) {
+  return false;
+}
 bool DefaultThemeProvider::ShouldUseNativeFrame() {
 #if defined(OS_WIN)
   return win_util::ShouldUseVistaFrame();
 #else
   return false;
 #endif
 }
-
 }  // namespace views