Remove all "net::" prefixes under net/url_request for code that's

net/url_request/url_request_throttler_header_adapter.cc

Index: net/url_request/url_request_throttler_header_adapter.cc
diff --git a/net/url_request/url_request_throttler_header_adapter.cc b/net/url_request/url_request_throttler_header_adapter.cc
index 368d6fef7ec750f85a8b7768e4b505c05e78568b..51bbc746fac4881eee0950e68268e856cf9ed6de 100644
--- a/net/url_request/url_request_throttler_header_adapter.cc
+++ b/net/url_request/url_request_throttler_header_adapter.cc
@@ -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.
 
@@ -9,7 +9,7 @@
 namespace net {
 
 URLRequestThrottlerHeaderAdapter::URLRequestThrottlerHeaderAdapter(
-    net::HttpResponseHeaders* headers)
+    HttpResponseHeaders* headers)
     : response_header_(headers) {
 }