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

webkit/tools/test_shell/simple_socket_stream_bridge.h

Index: webkit/tools/test_shell/simple_socket_stream_bridge.h
diff --git a/webkit/tools/test_shell/simple_socket_stream_bridge.h b/webkit/tools/test_shell/simple_socket_stream_bridge.h
index 8840323b8c14c63e2b7397e50dfd667fd6ca58e9..a8fd82158fed1ee12d94496bee841b4ab36d289a 100644
--- a/webkit/tools/test_shell/simple_socket_stream_bridge.h
+++ b/webkit/tools/test_shell/simple_socket_stream_bridge.h
@@ -1,15 +1,17 @@
-// Copyright (c) 2009 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 WEBKIT_TOOLS_TEST_SHELL_SIMPLE_SOCKET_STREAM_BRIDGE_H_
 #define WEBKIT_TOOLS_TEST_SHELL_SIMPLE_SOCKET_STREAM_BRIDGE_H_
 
+namespace net {
 class URLRequestContext;
+}  // namespace net
 
 class SimpleSocketStreamBridge {
  public:
-  static void InitializeOnIOThread(URLRequestContext* request_context);
+  static void InitializeOnIOThread(net::URLRequestContext* request_context);
   static void Cleanup();
 };