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

net/url_request/https_prober.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_BASE_HTTPS_PROBER_H_
 #define NET_BASE_HTTPS_PROBER_H_
 #pragma once
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/task.h"
 #include "net/url_request/url_request.h"
 
 template <typename T> struct DefaultSingletonTraits;
-class URLRequestContext;
 
 namespace net {
 
+class URLRequestContext;
+
 // This should be scoped inside HTTPSProber, but VC cannot compile
 // HTTPProber::Delegate when HTTPSProber also inherits from
 // net::URLRequest::Delegate.
 class HTTPSProberDelegate {
  public:
   virtual void ProbeComplete(bool result) = 0;
  protected:
   virtual ~HTTPSProberDelegate() {}
 };
 
@@ skipping 39 matching lines @@
   void DoCallback(net::URLRequest* request, bool result);
 
   std::map<std::string, HTTPSProberDelegate*> inflight_probes_;
   std::set<std::string> probed_;
 
   friend struct DefaultSingletonTraits<HTTPSProber>;
   DISALLOW_COPY_AND_ASSIGN(HTTPSProber);
 };
 
 }  // namespace net
-#endif
+
+#endif  // NET_BASE_HTTPS_PROBER_H_