Move about://-related constants from //content to //url

chrome/browser/android/omnibox/autocomplete_controller_android.cc

 // Copyright 2014 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/android/omnibox/autocomplete_controller_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string16.h"
@@ skipping 371 matching lines @@
       gurl.host() == chrome::kChromeUINewTabHost) {
     return AutocompleteInput::NTP;
   }
 
   if (url == chrome::kChromeUINativeNewTabURL) {
     return focused_from_fakebox ?
         AutocompleteInput::INSTANT_NTP_WITH_FAKEBOX_AS_STARTING_FOCUS :
         AutocompleteInput::INSTANT_NTP_WITH_OMNIBOX_AS_STARTING_FOCUS;
   }
 
-  if (url == content::kAboutBlankURL)
+  if (url == url::kAboutBlankURL)
     return AutocompleteInput::BLANK;
 
   if (url == profile_->GetPrefs()->GetString(prefs::kHomePage))
     return AutocompleteInput::HOME_PAGE;
 
   if (is_query_in_omnibox)
     return AutocompleteInput::SEARCH_RESULT_PAGE_DOING_SEARCH_TERM_REPLACEMENT;
 
   bool is_search_url = TemplateURLServiceFactory::GetForProfile(profile_)->
       IsSearchResultsPageFromDefaultSearchProvider(gurl);
@@ skipping 124 matching lines @@
     return;
 
   // ZeroSuggestPrefetcher deletes itself after it's done prefetching.
   new ZeroSuggestPrefetcher(profile);
 }
 
 // Register native methods
 bool RegisterAutocompleteControllerAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }