Move ExtensionHost into extensions namespace

chrome/browser/background/background_contents_service.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/background/background_contents_service.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
@@ skipping 281 matching lines @@
       const Extension* extension = NULL;
       if (type == chrome::NOTIFICATION_BACKGROUND_CONTENTS_TERMINATED) {
         BackgroundContents* bg =
             content::Details<BackgroundContents>(details).ptr();
         std::string extension_id = UTF16ToASCII(
             BackgroundContentsServiceFactory::GetForProfile(profile)->
                 GetParentApplicationId(bg));
         extension =
           profile->GetExtensionService()->GetExtensionById(extension_id, false);
       } else {
-        ExtensionHost* extension_host =
-            content::Details<ExtensionHost>(details).ptr();
+        extensions::ExtensionHost* extension_host =
+            content::Details<extensions::ExtensionHost>(details).ptr();
         extension = extension_host->extension();
       }
       if (!extension)
         break;
 
       // When an extension crashes, EXTENSION_PROCESS_TERMINATED is followed by
       // an EXTENSION_UNLOADED notification. This UNLOADED signal causes all the
       // notifications for this extension to be cancelled by
       // DesktopNotificationService. For this reason, instead of showing the
       // balloon right now, we schedule it to show a little later.
@@ skipping 299 matching lines @@
     WindowOpenDisposition disposition,
     const gfx::Rect& initial_pos,
     bool user_gesture) {
   Browser* browser = browser::FindLastActiveWithProfile(
       Profile::FromBrowserContext(new_contents->GetBrowserContext()));
   if (browser) {
     chrome::AddWebContents(browser, NULL, new_contents, disposition,
                            initial_pos, user_gesture);
   }
 }