ntp_tiles: Cleanup enum names

chrome/browser/ui/search/search_tab_helper.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/search/search_tab_helper.h"
 
 #include <memory>
 #include <set>
 
 #include "base/memory/ptr_util.h"
@@ skipping 387 matching lines @@
                                  base::TimeDelta time) {
 // TODO(kmadhusu): Move platform specific code from here and get rid of #ifdef.
 #if !defined(OS_ANDROID)
   NTPUserDataLogger::GetOrCreateFromWebContents(web_contents())
       ->LogEvent(event, time);
 #endif
 }
 
 void SearchTabHelper::OnLogMostVisitedImpression(
     int position,
-    ntp_tiles::NTPTileSource tile_source) {
+    ntp_tiles::TileSource tile_source) {
 // TODO(kmadhusu): Move platform specific code from here and get rid of #ifdef.
 #if !defined(OS_ANDROID)
   NTPUserDataLogger::GetOrCreateFromWebContents(
       web_contents())->LogMostVisitedImpression(position, tile_source);
 #endif
 }
 
 void SearchTabHelper::OnLogMostVisitedNavigation(
     int position,
-    ntp_tiles::NTPTileSource tile_source) {
+    ntp_tiles::TileSource tile_source) {
 // TODO(kmadhusu): Move platform specific code from here and get rid of #ifdef.
 #if !defined(OS_ANDROID)
   NTPUserDataLogger::GetOrCreateFromWebContents(
       web_contents())->LogMostVisitedNavigation(position, tile_source);
 #endif
 }
 
 void SearchTabHelper::PasteIntoOmnibox(const base::string16& text) {
 // TODO(kmadhusu): Move platform specific code from here and get rid of #ifdef.
 #if !defined(OS_ANDROID)
@@ skipping 104 matching lines @@
   return Profile::FromBrowserContext(web_contents_->GetBrowserContext());
 }
 
 bool SearchTabHelper::IsInputInProgress() const {
   if (model_.mode().is_ntp())
     return false;
   const OmniboxView* omnibox_view = GetOmniboxView();
   return omnibox_view &&
          omnibox_view->model()->focus_state() == OMNIBOX_FOCUS_VISIBLE;
 }