Introduce apps API target in //apps and move app.runtime API into it

chrome/browser/apps/app_launch_for_metro_restart_win.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/app_launch_for_metro_restart_win.h"
 
+#include "apps/browser/api/app_runtime/app_runtime_api.h"
 #include "apps/launcher.h"
 #include "apps/pref_names.h"
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/time/time.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/extensions/api/app_runtime/app_runtime_api.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/pref_names.h"
 #include "extensions/browser/extension_system.h"
 #include "win8/util/win8_util.h"
 
 using extensions::Extension;
 using extensions::ExtensionSystem;
 
@@ skipping 64 matching lines @@
                    profile->GetPath().BaseName().MaybeAsASCII());
   prefs->SetString(prefs::kAppLaunchForMetroRestart, extension_id);
 }
 
 void RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterStringPref(prefs::kAppLaunchForMetroRestart, "");
   registry->RegisterStringPref(prefs::kAppLaunchForMetroRestartProfile, "");
 }
 
 }  // namespace app_metro_launch