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

chrome/browser/renderer_host/resource_dispatcher_host.h

Index: chrome/browser/renderer_host/resource_dispatcher_host.h
diff --git a/chrome/browser/renderer_host/resource_dispatcher_host.h b/chrome/browser/renderer_host/resource_dispatcher_host.h
index b48d906c10ce9f5028f18d66544eea1aed978a48..cbd62c2ab6756e635444092c02e104a0c53d0fc2 100644
--- a/chrome/browser/renderer_host/resource_dispatcher_host.h
+++ b/chrome/browser/renderer_host/resource_dispatcher_host.h
@@ -1,4 +1,4 @@
-// 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.
 
@@ -42,13 +42,16 @@ class SafeBrowsingService;
 class SaveFileManager;
 class SSLClientAuthHandler;
 class UserScriptListener;
-class URLRequestContext;
 class WebKitThread;
 struct DownloadSaveInfo;
 struct GlobalRequestID;
 struct ViewHostMsg_Resource_Request;
 struct ViewMsg_ClosePage_Params;
 
+namespace net {
+class URLRequestContext;
+}  // namespace net
+
 namespace webkit_blob {
 class DeletableFileReference;
 }
@@ -91,7 +94,7 @@ class ResourceDispatcherHost : public net::URLRequest::Delegate {
                      bool prompt_for_save_location,
                      int process_unique_id,
                      int route_id,
-                     URLRequestContext* request_context);
+                     net::URLRequestContext* request_context);
 
   // Initiates a save file from the browser process (as opposed to a resource
   // request from the renderer or another child process).
@@ -99,7 +102,7 @@ class ResourceDispatcherHost : public net::URLRequest::Delegate {
                      const GURL& referrer,
                      int process_unique_id,
                      int route_id,
-                     URLRequestContext* request_context);
+                     net::URLRequestContext* request_context);
 
   // Cancels the given request if it still exists. We ignore cancels from the
   // renderer in the event of a download.