Moved apps metro code from apps to chrome/browser/apps.

chrome/browser/apps/chrome_apps_client.cc

 // Copyright 2013 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/apps/chrome_apps_client.h"
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/ui/apps/app_metro_infobar_delegate_win.h"
+#include "chrome/common/extensions/extension.h"
+
+#if defined(OS_WIN)
+#include "win8/util/win8_util.h"
+#endif
 
 ChromeAppsClient::ChromeAppsClient() {}
 
 ChromeAppsClient::~ChromeAppsClient() {}
 
 // static
 ChromeAppsClient* ChromeAppsClient::GetInstance() {
   return Singleton<ChromeAppsClient,
                    LeakySingletonTraits<ChromeAppsClient> >::get();
 }
 
 std::vector<content::BrowserContext*>
     ChromeAppsClient::GetLoadedBrowserContexts() {
   std::vector<Profile*> profiles =
       g_browser_process->profile_manager()->GetLoadedProfiles();
   return std::vector<content::BrowserContext*>(profiles.begin(),
                                                profiles.end());
 }
+
+bool ChromeAppsClient::CheckAppLaunch(content::BrowserContext* context,
+                                      const extensions::Extension* extension) {
+#if defined(OS_WIN)
+  // On Windows 8's single window Metro mode we can not launch platform apps.
+  // Offer to switch Chrome to desktop mode.
+  if (win8::IsSingleWindowMetroMode()) {
+    AppMetroInfoBarDelegateWin::Create(
+        Profile::FromBrowserContext(context),
+        AppMetroInfoBarDelegateWin::LAUNCH_PACKAGED_APP,
+        extension->id());
+    return false;
+  }
+#endif
+  return true;
+}