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

chrome/browser/ui/app_list/start_page_service.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_START_PAGE_SERVICE_H_
 #define CHROME_BROWSER_UI_APP_LIST_START_PAGE_SERVICE_H_
 
 #include <stdint.h>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/strings/string16.h"
 #include "base/time/default_clock.h"
 #include "chrome/browser/ui/app_list/speech_recognizer_delegate.h"
 #include "components/keyed_service/core/keyed_service.h"
+#include "components/search_engines/template_url_service_observer.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "ui/app_list/speech_ui_model_observer.h"
 
 namespace content {
 struct FrameNavigateParams;
 struct LoadCommittedDetails;
 struct SpeechRecognitionSessionPreamble;
 }
@@ skipping 12 matching lines @@
 
 class SpeechAuthHelper;
 class SpeechRecognizer;
 class StartPageObserver;
 
 // StartPageService collects data to be displayed in app list's start page
 // and hosts the start page contents.
 class StartPageService : public KeyedService,
                          public content::WebContentsObserver,
                          public net::URLFetcherDelegate,
-                         public SpeechRecognizerDelegate {
+                         public SpeechRecognizerDelegate,
+                         public TemplateURLServiceObserver {
  public:
   typedef std::vector<scoped_refptr<const extensions::Extension> >
       ExtensionList;
   // Gets the instance for the given profile.
   static StartPageService* Get(Profile* profile);
 
   void AddObserver(StartPageObserver* observer);
   void RemoveObserver(StartPageObserver* observer);
 
   void AppListShown();
@@ skipping 16 matching lines @@
   SpeechRecognitionState state() { return state_; }
 
   // Overridden from app_list::SpeechRecognizerDelegate:
   void OnSpeechResult(const base::string16& query, bool is_final) override;
   void OnSpeechSoundLevelChanged(int16_t level) override;
   void OnSpeechRecognitionStateChanged(
       SpeechRecognitionState new_state) override;
   void GetSpeechAuthParameters(std::string* auth_scope,
                                std::string* auth_token) override;
 
+  // Overridden from TemplateURLServiceObserver:
+  void OnTemplateURLServiceChanged() override;
+
  protected:
   // Protected for testing.
   explicit StartPageService(Profile* profile);
   ~StartPageService() override;
 
  private:
   friend class StartPageServiceFactory;
 
   // ProfileDestroyObserver to shutdown the service on exiting. WebContents
   // depends on the profile and needs to be closed before the profile and its
@@ skipping 66 matching lines @@
   scoped_ptr<net::URLFetcher> doodle_fetcher_;
 
   base::WeakPtrFactory<StartPageService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(StartPageService);
 };
 
 }  // namespace app_list
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_START_PAGE_SERVICE_H_