Fix nits in content/browser/appcache/

content/public/browser/resource_context.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_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_
 #define CONTENT_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/supports_user_data.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 
 class GURL;
 
-namespace content {
-class AppCacheService;
-}
-
 namespace net {
 class ClientCertStore;
 class HostResolver;
 class KeygenHandler;
 class URLRequestContext;
 }
 
 namespace content {
 
+class AppCacheService;
+
 // ResourceContext contains the relevant context information required for
 // resource loading. It lives on the IO thread, although it is constructed on
 // the UI thread. It must be destructed on the IO thread.
 class CONTENT_EXPORT ResourceContext : public base::SupportsUserData {
  public:
 #if defined(OS_IOS)
   virtual ~ResourceContext() {}
 #else
   ResourceContext();
   virtual ~ResourceContext();
@@ skipping 47 matching lines @@
   //
   // TODO(perkj): Make this method pure virtual when crbug/315022 is
   // fixed.
   typedef base::Callback<std::string()> SaltCallback;
   virtual SaltCallback GetMediaDeviceIDSalt();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RESOURCE_CONTEXT_H_