Add GetPluginRefererURL to PPB_URLUtil_Dev interface to get the 'Referer' HTTP header value that wa…

ppapi/cpp/dev/url_util_dev.cc

 // 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.
 
 #include "ppapi/cpp/dev/url_util_dev.h"
 
 #include "ppapi/cpp/instance_handle.h"
 #include "ppapi/cpp/module.h"
 
 namespace pp {
@@ skipping 64 matching lines @@
              interface_->GetDocumentURL(instance.pp_instance(), components));
 }
 
 Var URLUtil_Dev::GetPluginInstanceURL(const InstanceHandle& instance,
                                       PP_URLComponents_Dev* components) const {
   return Var(PASS_REF,
              interface_->GetPluginInstanceURL(instance.pp_instance(),
                                               components));
 }
 
+Var URLUtil_Dev::GetPluginReferrerURL(const InstanceHandle& instance,
+                                      PP_URLComponents_Dev* components) const {
+  return Var(PASS_REF,
+             interface_->GetPluginReferrerURL(instance.pp_instance(),
+                                              components));
+}
+
 }  // namespace pp