Ensure that reposting mouse events on Windows posts the message natively via the PostMessage API.

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 135 matching lines @@
                                                 int item_count,
                                                 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();
 }
+
+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
 
 views::NonClientFrameView* ChromeViewsDelegate::CreateDefaultNonClientFrameView(
     views::Widget* widget) {
 #if defined(USE_ASH)
@@ skipping 132 matching lines @@
       params->native_widget = new views::DesktopNativeWidgetAura(delegate);
     }
   }
 #endif
 }
 
 base::TimeDelta
 ChromeViewsDelegate::GetDefaultTextfieldObscuredRevealDuration() {
   return base::TimeDelta();
 }