Add launcherPage.hide() API.

chrome/browser/ui/app_list/app_list_service_mac.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_APP_LIST_APP_LIST_SERVICE_MAC_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_SERVICE_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
@@ skipping 33 matching lines @@
 
   void ShowWindowNearDock();
   void WindowAnimationDidEnd();
   void InitWithProfilePath(Profile* initial_profile,
                            const base::FilePath& profile_path);
 
   // AppListService overrides:
   void Init(Profile* initial_profile) override;
   void DismissAppList() override;
   void ShowForCustomLauncherPage(Profile* profile) override;
+  void HideLauncherPageIfShowing() override;
   bool IsAppListVisible() const override;
   void EnableAppList(Profile* initial_profile,
                      AppListEnableSource enable_source) override;
   gfx::NativeWindow GetAppListWindow() override;
   void CreateShortcut() override;
 
     // AppShimHandler overrides:
   void OnShimLaunch(apps::AppShimHandler::Host* host,
                     apps::AppShimLaunchType launch_type,
                     const std::vector<base::FilePath>& files) override;
@@ skipping 19 matching lines @@
 
  private:
   base::scoped_nsobject<AppListAnimationController> animation_controller_;
   base::scoped_nsobject<NSRunningApplication> previously_active_application_;
   NSPoint last_start_origin_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListServiceMac);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_SERVICE_MAC_H_