net: Add namespace net to the remaining files under url_request directory.

net/proxy/proxy_script_fetcher_impl.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 NET_PROXY_PROXY_SCRIPT_FETCHER_IMPL_H_
 #define NET_PROXY_PROXY_SCRIPT_FETCHER_IMPL_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/string16.h"
 #include "base/task.h"
 #include "base/time.h"
 #include "net/proxy/proxy_script_fetcher.h"
 #include "net/url_request/url_request.h"
 
 class GURL;
-class URLRequestContext;
 class X509Certificate;
 
 namespace net {
 
+class URLRequestContext;
+
 // Implementation of ProxyScriptFetcher that downloads scripts using the
 // specified request context.
 class ProxyScriptFetcherImpl : public ProxyScriptFetcher,
                                public net::URLRequest::Delegate {
  public:
   // Creates a ProxyScriptFetcher that issues requests through
   // |url_request_context|. |url_request_context| must remain valid for the
   // lifetime of ProxyScriptFetcherImpl.
   // Note that while a request is in progress, we will be holding a reference
   // to |url_request_context|. Be careful not to create cycles between the
@@ skipping 80 matching lines @@
 
   // The maximum amount of time to wait for download to complete.
   base::TimeDelta max_duration_;
 
   DISALLOW_COPY_AND_ASSIGN(ProxyScriptFetcherImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_PROXY_SCRIPT_FETCHER_IMPL_H_