Do not set the appid and window icon in Metro

ui/base/win/shell.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 "ui/base/win/shell.h"
 
 #include <shellapi.h>
 #include <shlobj.h>  // Must be before propkey.
 #include <propkey.h>
 
 #include "base/file_path.h"
 #include "base/native_library.h"
 #include "base/string_util.h"
+#include "base/win/metro.h"
 #include "base/win/scoped_comptr.h"
 #include "base/win/win_util.h"
 #include "base/win/windows_version.h"
 
 namespace ui {
 namespace win {
 
 namespace {
 
 void SetAppIdAndIconForWindow(const string16& app_id,
                               const string16& app_icon,
                               HWND hwnd) {
-  // This functionality is only available on Win7+.
-  if (base::win::GetVersion() < base::win::VERSION_WIN7)
+  // This functionality is only available on Win7+. It also doesn't make sense
+  // to do this for Chrome Metro.
+  if (base::win::GetVersion() < base::win::VERSION_WIN7 ||
+      base::win::IsMetroProcess())
     return;
   base::win::ScopedComPtr<IPropertyStore> pps;
   HRESULT result = SHGetPropertyStoreForWindow(
       hwnd, __uuidof(*pps), reinterpret_cast<void**>(pps.Receive()));
   if (S_OK == result) {
     if (!app_id.empty())
       base::win::SetAppIdForPropertyStore(pps, app_id.c_str());
     if (!app_icon.empty()) {
       base::win::SetStringValueForPropertyStore(
           pps, PKEY_AppUserModel_RelaunchIconResource, app_icon.c_str());
@@ skipping 47 matching lines @@
 void SetAppIdForWindow(const string16& app_id, HWND hwnd) {
   SetAppIdAndIconForWindow(app_id, string16(), hwnd);
 }
 
 void SetAppIconForWindow(const string16& app_icon, HWND hwnd) {
   SetAppIdAndIconForWindow(string16(), app_icon, hwnd);
 }
 
 }  // namespace win
 }  // namespace ui