Remove WebUI NTP on Android.

chrome/browser/search/instant_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/search/instant_service.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
@@ skipping 91 matching lines @@
   // Set up the data sources that Instant uses on the NTP.
 #if defined(ENABLE_THEMES)
   // Listen for theme installation.
   registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
                  content::Source<ThemeService>(
                      ThemeServiceFactory::GetForProfile(profile_)));
 
   content::URLDataSource::Add(profile_, new ThemeSource(profile_));
 #endif  // defined(ENABLE_THEMES)
 
+  // TODO(aurimas) remove this #if once instant_service.cc is no longer compiled
+  // on Android.
+#if !defined(OS_ANDROID)
   content::URLDataSource::Add(profile_, new ThumbnailSource(profile_, false));
   content::URLDataSource::Add(profile_, new ThumbnailSource(profile_, true));
   content::URLDataSource::Add(profile_, new ThumbnailListSource(profile_));
+#endif  // !defined(OS_ANDROID)
+
   content::URLDataSource::Add(
       profile_, new FaviconSource(profile_, FaviconSource::FAVICON));
   content::URLDataSource::Add(profile_, new LocalNtpSource(profile_));
   content::URLDataSource::Add(profile_, new MostVisitedIframeSource());
   if (suggestions::SuggestionsService::IsEnabled()) {
     content::URLDataSource::Add(
         profile_, new suggestions::SuggestionsSource(profile_));
   }
 
   profile_pref_registrar_.Init(profile_->GetPrefs());
@@ skipping 322 matching lines @@
 void InstantService::ResetInstantSearchPrerenderer() {
   if (!chrome::ShouldPrefetchSearchResults())
     return;
 
   GURL url(chrome::GetSearchResultPrefetchBaseURL(profile_));
   if (url.is_valid())
     instant_prerenderer_.reset(new InstantSearchPrerenderer(profile_, url));
   else
     instant_prerenderer_.reset();
 }