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

content/common/request_extra_data.h

 // 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.
 
 #ifndef CONTENT_COMMON_REQUEST_EXTRA_DATA_H_
 #define CONTENT_COMMON_REQUEST_EXTRA_DATA_H_
 
 #include "base/compiler_specific.h"
 #include "content/common/content_export.h"
 #include "content/public/common/page_transition_types.h"
 #include "webkit/glue/weburlrequest_extradata_impl.h"
 
 namespace content {
 
 // The RenderView stores an instance of this class in the "extra data" of each
 // ResourceRequest (see RenderView::willSendRequest).
 class CONTENT_EXPORT RequestExtraData
     : NON_EXPORTED_BASE(public webkit_glue::WebURLRequestExtraDataImpl) {
  public:
   RequestExtraData(WebKit::WebReferrerPolicy referrer_policy,
                    const WebKit::WebString& custom_user_agent,
+                   const WebKit::WebString& requested_with,
                    bool is_main_frame,
                    int64 frame_id,
                    bool parent_is_main_frame,
                    int64 parent_frame_id,
                    bool allow_download,
                    PageTransition transition_type,
                    int transferred_request_child_id,
                    int transferred_request_request_id);
   virtual ~RequestExtraData();
 
@@ skipping 19 matching lines @@
   PageTransition transition_type_;
   int transferred_request_child_id_;
   int transferred_request_request_id_;
 
   DISALLOW_COPY_AND_ASSIGN(RequestExtraData);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_REQUEST_EXTRA_DATA_H_