Add option to suppress HTTP Referer header.

chrome/common/chrome_switches.h

Index: chrome/common/chrome_switches.h
diff --git a/chrome/common/chrome_switches.h b/chrome/common/chrome_switches.h
index 8ba978e41f48ef14d8041b497058457d2caa1eca..141082ed7a4eb9c912d2c435aecb4488d64bf7d1 100644
--- a/chrome/common/chrome_switches.h
+++ b/chrome/common/chrome_switches.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -134,6 +134,7 @@ extern const char kNoEvents[];
 extern const char kNoFirstRun[];
 extern const char kNoJsRandomness[];
 extern const char kNoProxyServer[];
+extern const char kNoReferrers[];
 extern const char kNoSandbox[];
 extern const char kOmniBoxPopupCount[];
 extern const char kOpenInNewWindow[];