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

chrome/browser/ui/omnibox/omnibox_edit_model.cc

 // Copyright 2012 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/omnibox/omnibox_edit_model.h"
 
 #include <string>
 
 #include "base/auto_reset.h"
 #include "base/format_macros.h"
@@ skipping 1415 matching lines @@
     return (focus_source_ == FAKEBOX) ?
         AutocompleteInput::INSTANT_NTP_WITH_FAKEBOX_AS_STARTING_FOCUS :
         AutocompleteInput::INSTANT_NTP_WITH_OMNIBOX_AS_STARTING_FOCUS;
   }
   const GURL& gurl = delegate_->GetURL();
   if (!gurl.is_valid())
     return AutocompleteInput::INVALID_SPEC;
   const std::string& url = gurl.spec();
   if (url == chrome::kChromeUINewTabURL)
     return AutocompleteInput::NTP;
-  if (url == content::kAboutBlankURL)
+  if (url == url::kAboutBlankURL)
     return AutocompleteInput::BLANK;
   if (url == profile()->GetPrefs()->GetString(prefs::kHomePage))
     return AutocompleteInput::HOME_PAGE;
   if (controller_->GetToolbarModel()->WouldPerformSearchTermReplacement(true))
     return AutocompleteInput::SEARCH_RESULT_PAGE_DOING_SEARCH_TERM_REPLACEMENT;
   if (delegate_->IsSearchResultsPage())
     return AutocompleteInput::SEARCH_RESULT_PAGE_NO_SEARCH_TERM_REPLACEMENT;
   return AutocompleteInput::OTHER;
 }
 
@@ skipping 14 matching lines @@
   // Update state and notify view if the omnibox has focus and the caret
   // visibility changed.
   const bool was_caret_visible = is_caret_visible();
   focus_state_ = state;
   if (focus_state_ != OMNIBOX_FOCUS_NONE &&
       is_caret_visible() != was_caret_visible)
     view_->ApplyCaretVisibility();
 
   delegate_->OnFocusChanged(focus_state_, reason);
 }