Rename ExtensionsService to ExtensionService.

chrome/browser/extensions/extension_module.cc

 // Copyright (c) 2010 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/extensions/extension_module.h"
 
 #include <string>
 
 #include "chrome/browser/extensions/extension_prefs.h"
-#include "chrome/browser/extensions/extensions_service.h"
+#include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 
 ExtensionPrefs* SetUpdateUrlDataFunction::extension_prefs() {
-  return profile()->GetExtensionsService()->extension_prefs();
+  return profile()->GetExtensionService()->extension_prefs();
 }
 
 bool SetUpdateUrlDataFunction::RunImpl() {
   std::string data;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &data));
 
   extension_prefs()->SetUpdateUrlData(extension_id(), data);
   return true;
 }