Revert of Fix icon on Windows XP taskbar

chrome/browser/ui/views/chrome_views_delegate.cc

 // 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.
 
 #include "chrome/browser/ui/views/chrome_views_delegate.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/string_util.h"
@@ skipping 212 matching lines @@
     bool has_submenu) {
   AccessibilityEventRouterViews::GetInstance()->HandleMenuItemFocused(
       menu_name, menu_item_name, item_index, item_count, has_submenu);
 }
 
 #if defined(OS_WIN)
 HICON ChromeViewsDelegate::GetDefaultWindowIcon() const {
   return GetAppIcon();
 }
 
-HICON ChromeViewsDelegate::GetSmallWindowIcon() const {
-  return GetSmallAppIcon();
-}
-
 bool ChromeViewsDelegate::IsWindowInMetro(gfx::NativeWindow window) const {
   return chrome::IsNativeViewInAsh(window);
 }
 
 #elif defined(OS_LINUX) && !defined(OS_CHROMEOS)
 gfx::ImageSkia* ChromeViewsDelegate::GetDefaultWindowIcon() const {
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   return rb.GetImageSkiaNamed(IDR_PRODUCT_LOGO_64);
 }
 #endif
@@ skipping 183 matching lines @@
 }
 #endif
 
 #if !defined(USE_AURA) && !defined(USE_CHROMEOS)
 views::Widget::InitParams::WindowOpacity
 ChromeViewsDelegate::GetOpacityForInitParams(
     const views::Widget::InitParams& params) {
   return views::Widget::InitParams::OPAQUE_WINDOW;
 }
 #endif