Move ExtensionSystem into extensions namespace

chrome/browser/extensions/platform_app_launcher.cc

 // Copyright (c) 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/extensions/platform_app_launcher.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 12 matching lines @@
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/render_process_host.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_util.h"
 #include "webkit/fileapi/isolated_context.h"
 #include "webkit/glue/web_intent_data.h"
 #include "webkit/glue/web_intent_service_data.h"
 
 using content::BrowserThread;
 using extensions::Extension;
+using extensions::ExtensionSystem;
 
 namespace {
 
 const char kViewIntent[] = "http://webintents.org/view";
 
 // Class to handle launching of platform apps with command line information.
 // An instance of this class is created for each launch. The lifetime of these
 // instances is managed by reference counted pointers. As long as an instance
 // has outstanding tasks on a message queue it will be retained; once all
 // outstanding tasks are completed it will be deleted.
@@ skipping 252 matching lines @@
         new PlatformAppBlobIntentLauncher(profile, extension, web_intent_data);
     launcher->Launch();
     return;
   }
 
   extensions::AppEventRouter::DispatchOnLaunchedEventWithWebIntent(
       profile, extension, web_intent_data);
 }
 
 }  // namespace extensions