Fix nits in content/browser/appcache/

content/browser/appcache/appcache_interceptor.h

 // Copyright 2014 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_APPCACHE_APPCACHE_INTERCEPTOR_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_INTERCEPTOR_H_
 
 #include "base/memory/singleton.h"
 #include "content/common/content_export.h"
 #include "net/url_request/url_request.h"
 #include "url/gurl.h"
 #include "webkit/common/resource_type.h"
 
 namespace content {
 class AppCacheRequestHandler;
 class AppCacheServiceImpl;
-}
-
-namespace content {
 
 // An interceptor to hijack requests and potentially service them out of
 // the appcache.
 class CONTENT_EXPORT AppCacheInterceptor
     : public net::URLRequest::Interceptor {
  public:
   // Registers a singleton instance with the net library.
   // Should be called early in the IO thread prior to initiating requests.
   static void EnsureRegistered() {
     CHECK(GetInstance());
@@ skipping 43 matching lines @@
   static void SetHandler(net::URLRequest* request,
                          AppCacheRequestHandler* handler);
   static AppCacheRequestHandler* GetHandler(net::URLRequest* request);
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheInterceptor);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_INTERCEPTOR_H_