Hide the process of instantiating NotificationServiceImpl from embedders.

chrome/browser/webdata/web_database.cc

 // Copyright (c) 2011 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/webdata/web_database.h"
 
 #include <algorithm>
 
 #include "chrome/browser/diagnostics/sqlite_diagnostics.h"
 #include "chrome/browser/webdata/autofill_table.h"
 #include "chrome/browser/webdata/keyword_table.h"
 #include "chrome/browser/webdata/logins_table.h"
 #include "chrome/browser/webdata/token_service_table.h"
 #include "chrome/browser/webdata/web_apps_table.h"
 #include "chrome/browser/webdata/web_intents_table.h"
-#include "content/browser/notification_service_impl.h"
+#include "content/public/browser/notification_service.h"
 #include "sql/statement.h"
 #include "sql/transaction.h"
 
 namespace {
 
 // Current version number.  Note: when changing the current version number,
 // corresponding changes must happen in the unit tests, and new migration test
 // added.  See |WebDatabaseMigrationTest::kCurrentTestedVersionNumber|.
 const int kCurrentVersionNumber = 42;
 const int kCompatibleVersionNumber = 42;
@@ skipping 58 matching lines @@
 }
 
 sql::Connection* WebDatabase::GetSQLConnection() {
   return &db_;
 }
 
 sql::InitStatus WebDatabase::Init(const FilePath& db_name) {
   // When running in unit tests, there is already a NotificationService object.
   // Since only one can exist at a time per thread, check first.
   if (!content::NotificationService::current())
-    notification_service_.reset(new NotificationServiceImpl);
+    notification_service_.reset(content::NotificationService::Create());
 
   // Set the exceptional sqlite error handler.
   db_.set_error_delegate(GetErrorHandlerForWebDb());
 
   // We don't store that much data in the tables so use a small page size.
   // This provides a large benefit for empty tables (which is very likely with
   // the tables we create).
   db_.set_page_size(2048);
 
   // We shouldn't have much data and what access we currently have is quite
@@ skipping 222 matching lines @@
 
     // Add successive versions here.  Each should set the version number and
     // compatible version number as appropriate, then fall through to the next
     // case.
 
     case kCurrentVersionNumber:
       // No migration needed.
       return sql::INIT_OK;
   }
 }