Hide experimental app list Google logo and custom launcher page when search engine is not Google.

chrome/browser/ui/app_list/app_list_view_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/observer_list.h"
 #include "base/scoped_observer.h"
 #include "chrome/browser/profiles/profile_info_cache_observer.h"
 #include "chrome/browser/search/hotword_client.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/ui/app_list/start_page_observer.h"
+#include "components/search_engines/template_url_service.h"
+#include "components/search_engines/template_url_service_observer.h"
 #include "components/signin/core/browser/signin_manager_base.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/app_list/app_list_view_delegate.h"
 
 class AppListControllerDelegate;
 class Profile;
 
 namespace apps {
 class CustomLauncherPageContents;
@@ skipping 21 matching lines @@
 #if defined(USE_ASH)
 class AppSyncUIStateWatcher;
 #endif
 
 class AppListViewDelegate : public app_list::AppListViewDelegate,
                             public app_list::StartPageObserver,
                             public HotwordClient,
                             public ProfileInfoCacheObserver,
                             public SigninManagerBase::Observer,
                             public SigninManagerFactory::Observer,
-                            public content::NotificationObserver {
+                            public content::NotificationObserver,
+                            public TemplateURLServiceObserver {
  public:
   // Constructs Chrome's AppListViewDelegate with a NULL Profile.
   // Does not take ownership of |controller|. TODO(tapted): It should.
   explicit AppListViewDelegate(AppListControllerDelegate* controller);
   ~AppListViewDelegate() override;
 
   // Configure the AppList for the given |profile|.
   void SetProfile(Profile* profile);
   Profile* profile() { return profile_; }
 
@@ skipping 35 matching lines @@
       const gfx::Size& size) override;
   void CustomLauncherPageAnimationChanged(double progress) override;
   void CustomLauncherPagePopSubpage() override;
 #endif
   bool IsSpeechRecognitionEnabled() override;
   const Users& GetUsers() const override;
   bool ShouldCenterWindow() const override;
   void AddObserver(app_list::AppListViewDelegateObserver* observer) override;
   void RemoveObserver(app_list::AppListViewDelegateObserver* observer) override;
 
+  // Overridden from TemplateURLServiceObserver:
+  void OnTemplateURLServiceChanged() override;
+
  private:
   // Updates the speech webview and start page for the current |profile_|.
   void SetUpSearchUI();
 
   // Updates the app list's ProfileMenuItems for the current |profile_|.
   void SetUpProfileSwitcher();
 
   // Updates the app list's custom launcher pages for the current |profile_|.
   void SetUpCustomLauncherPages();
 
@@ skipping 56 matching lines @@
   bool is_voice_query_;
 
   Users users_;
 
 #if defined(USE_ASH)
   scoped_ptr<AppSyncUIStateWatcher> app_sync_ui_state_watcher_;
 #endif
 
   ObserverList<app_list::AppListViewDelegateObserver> observers_;
 
+  ScopedObserver<TemplateURLService, AppListViewDelegate>
+      template_url_service_observer_;
+
   // Used to track the SigninManagers that this instance is observing so that
   // this instance can be removed as an observer on its destruction.
   ScopedObserver<SigninManagerBase, AppListViewDelegate> scoped_observer_;
 
   // Window contents of additional custom launcher pages.
   ScopedVector<apps::CustomLauncherPageContents> custom_page_contents_;
 
   // Registers for NOTIFICATION_APP_TERMINATING to unload custom launcher pages.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListViewDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_