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

chrome/browser/ui/app_list/start_page_service.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 "chrome/browser/ui/app_list/start_page_service.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 250 matching lines @@
 StartPageService::StartPageService(Profile* profile)
     : profile_(profile),
       profile_destroy_observer_(new ProfileDestroyObserver(this)),
       state_(app_list::SPEECH_RECOGNITION_OFF),
       speech_button_toggled_manually_(false),
       speech_result_obtained_(false),
       webui_finished_loading_(false),
       speech_auth_helper_(new SpeechAuthHelper(profile, &clock_)),
       network_available_(true),
       microphone_available_(true),
+      doodle_enabled_(true),
       weak_factory_(this) {
   // If experimental hotwording is enabled, then we're always "ready".
   // Transitioning into the "hotword recognizing" state is handled by the
   // hotword extension.
   if (HotwordService::IsExperimentalHotwordingEnabled()) {
     state_ = app_list::SPEECH_RECOGNITION_READY;
   }
 
   if (app_list::switches::IsExperimentalAppListEnabled())
     LoadContents();
 
   network_change_observer_.reset(new NetworkChangeObserver(this));
 }
 
-StartPageService::~StartPageService() {}
+StartPageService::~StartPageService() {
+}
 
 void StartPageService::AddObserver(StartPageObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void StartPageService::RemoveObserver(StartPageObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 void StartPageService::OnMicrophoneChanged(bool available) {
@@ skipping 256 matching lines @@
       ui::PAGE_TRANSITION_AUTO_TOPLEVEL,
       std::string());
 }
 
 void StartPageService::UnloadContents() {
   contents_.reset();
   webui_finished_loading_ = false;
 }
 
 void StartPageService::FetchDoodleJson() {
+  if (!doodle_enabled_)
+    return;
+
   GURL::Replacements replacements;
   replacements.SetPathStr(kDoodleJsonPath);
 
   GURL google_base_url(UIThreadSearchTermsData(profile_).GoogleBaseURLValue());
   GURL doodle_url = google_base_url.ReplaceComponents(replacements);
   doodle_fetcher_.reset(
       net::URLFetcher::Create(0, doodle_url, net::URLFetcher::GET, this));
   doodle_fetcher_->SetRequestContext(profile_->GetRequestContext());
   doodle_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES);
   doodle_fetcher_->Start();
@@ skipping 37 matching lines @@
 
   // Check for a new doodle.
   content::BrowserThread::PostDelayedTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(&StartPageService::FetchDoodleJson,
                  weak_factory_.GetWeakPtr()),
       recheck_delay);
 }
 
 }  // namespace app_list