Fix nits in content/browser/appcache/

content/browser/webui/url_data_manager_backend.h

 // 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.
 
 #ifndef CONTENT_BROWSER_WEBUI_URL_DATA_MANAGER_BACKEND_H_
 #define CONTENT_BROWSER_WEBUI_URL_DATA_MANAGER_BACKEND_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/supports_user_data.h"
 #include "content/browser/webui/url_data_manager.h"
 #include "content/public/browser/url_data_source.h"
 #include "net/url_request/url_request_job_factory.h"
 
 class GURL;
 
-namespace content {
-class AppCacheServiceImpl;
-}
-
 namespace base {
 class RefCountedMemory;
 }
 
 namespace content {
+
+class AppCacheServiceImpl;
 class ChromeBlobStorageContext;
 class ResourceContext;
 class URLDataManagerBackend;
 class URLDataSourceImpl;
 class URLRequestChromeJob;
 
 // URLDataManagerBackend is used internally by ChromeURLDataManager on the IO
 // thread. In most cases you can use the API in ChromeURLDataManager and ignore
 // this class. URLDataManagerBackend is owned by ResourceContext.
 class URLDataManagerBackend : public base::SupportsUserData::Data {
@@ skipping 68 matching lines @@
 
 // Creates protocol handler for chrome-devtools://. |is_incognito| should be
 // set for incognito profiles.
 net::URLRequestJobFactory::ProtocolHandler*
 CreateDevToolsProtocolHandler(content::ResourceContext* resource_context,
                               bool is_incognito);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEBUI_URL_DATA_MANAGER_BACKEND_H_