Pepper: Add a X-Requested-With header to URL requests done for Pepper plugins.

webkit/plugins/ppapi/url_request_info_util.h

Index: webkit/plugins/ppapi/url_request_info_util.h
diff --git a/webkit/plugins/ppapi/url_request_info_util.h b/webkit/plugins/ppapi/url_request_info_util.h
index 4c5e110fa81b65b5c3e2aa096726cebb1e0aac85..12acc77f27055f424b9c9a59eb26af23540f548d 100644
--- a/webkit/plugins/ppapi/url_request_info_util.h
+++ b/webkit/plugins/ppapi/url_request_info_util.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -6,6 +6,7 @@
 #define WEBKIT_PLUGINS_PPAPI_URL_REQUEST_INFO_UTIL_H_
 
 #include "base/memory/ref_counted.h"
+#include "ppapi/c/pp_instance.h"
 #include "webkit/plugins/webkit_plugins_export.h"
 
 namespace ppapi {
@@ -25,6 +26,7 @@ namespace ppapi {
 // partially initialized). Any upload files with only resource IDs (no file ref
 // pointers) will be populated by this function on success.
 WEBKIT_PLUGINS_EXPORT bool CreateWebURLRequest(
+    PP_Instance pp_instance,
     ::ppapi::URLRequestInfoData* data,
     WebKit::WebFrame* frame,
     WebKit::WebURLRequest* dest);