Add launcherPage.hide() API.

chrome/browser/ui/app_list/app_list_service_unittest.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 "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/pref_service_factory.h"
@@ skipping 38 matching lines @@
   }
 
   void CreateForProfile(Profile* requested_profile) override {}
 
   void ShowForProfile(Profile* requested_profile) override {
     showing_for_profile_ = requested_profile;
     RecordAppListLaunch();
   }
 
   void ShowForCustomLauncherPage(Profile* profile) override {}
+  void HideCustomLauncherPage() override {}
 
   void DismissAppList() override { showing_for_profile_ = NULL; }
 
   bool IsAppListVisible() const override { return !!showing_for_profile_; }
 
   gfx::NativeWindow GetAppListWindow() override { return NULL; }
 
   AppListControllerDelegate* GetControllerDelegate() override { return NULL; }
 
   // AppListServiceImpl overrides:
@@ skipping 167 matching lines @@
   EXPECT_EQ(AppListService::ENABLE_FOR_APP_INSTALL,
             local_state_->GetInteger(prefs::kAppListEnableMethod));
   EXPECT_NE(0, local_state_->GetInt64(prefs::kAppListEnableTime));
 
   // An auto-show here should update the enable method to prevent recording it
   // as ENABLE_FOR_APP_INSTALL.
   service_->ShowForAppInstall(profile1_.get(), "", false);
   EXPECT_EQ(AppListService::ENABLE_SHOWN_UNDISCOVERED,
             local_state_->GetInteger(prefs::kAppListEnableMethod));
 }