Decouple IsMetroProcess() calls, introducing IsSingleWindowMetroMode().

chrome/browser/ui/views/hung_renderer_view_win.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/hung_renderer_view_win.h"
 
 #include "base/win/metro.h"
 #include "chrome/browser/hang_monitor/hang_crash_dump_win.h"
 #include "chrome/browser/ui/views/hung_renderer_view.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "win8/util/win8_util.h"
 
 // Metro functions for displaying and dismissing a dialog box.
 typedef void (*MetroShowDialogBox)(
     const wchar_t* title,
     const wchar_t* content,
     const wchar_t* button1_label,
     const wchar_t* button2_label,
     base::win::MetroDialogButtonPressedHandler button1_handler,
     base::win::MetroDialogButtonPressedHandler button2_handler);
 
 typedef void (*MetroDismissDialogBox)();
 
 using content::BrowserThread;
 using content::WebContents;
 
 HungRendererDialogMetro* HungRendererDialogMetro::g_instance_ = NULL;
 
 bool PlatformShowCustomHungRendererDialog(WebContents* contents) {
-  if (!base::win::IsMetroProcess())
+  if (!win8::IsSingleWindowMetroMode())
     return false;
 
   HungRendererDialogMetro::Create()->Show(contents);
   return true;
 }
 
 bool PlatformHideCustomHungRendererDialog(WebContents* contents) {
-  if (!base::win::IsMetroProcess())
+  if (!win8::IsSingleWindowMetroMode())
     return false;
 
   if (HungRendererDialogMetro::GetInstance())
     HungRendererDialogMetro::GetInstance()->Hide(contents);
   return true;
 }
 
 // static
 void HungRendererDialogView::KillRendererProcess(
     base::ProcessHandle process_handle) {
@@ skipping 110 matching lines @@
         base::Bind(HungRendererDialogMetro::OnMetroWait));
     return;
   }
 
   // Its possible that we got deleted in the meantime.
   if (!GetInstance())
     return;
 
   GetInstance()->ResetMetroState();
 }