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>
@@ skipping 59 matching lines @@
   void WebUILoaded();
 
   // Returns true if the hotword is enabled in the app-launcher.
   bool HotwordEnabled();
 
   // They return essentially the same web contents but might return NULL when
   // some flag disables the feature.
   content::WebContents* GetStartPageContents();
   content::WebContents* GetSpeechRecognitionContents();
 
+  void set_search_engine_is_google(bool search_engine_is_google) {
+    search_engine_is_google_ = search_engine_is_google;
+  }
   Profile* profile() { return profile_; }
   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;
@@ skipping 67 matching lines @@
   scoped_ptr<SpeechRecognizer> speech_recognizer_;
   scoped_ptr<SpeechAuthHelper> speech_auth_helper_;
 
   bool network_available_;
   bool microphone_available_;
 #if defined(OS_CHROMEOS)
   scoped_ptr<AudioStatus> audio_status_;
 #endif
   scoped_ptr<NetworkChangeObserver> network_change_observer_;
 
+  bool search_engine_is_google_;
   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_