Add a X-Requested-With header to URL requests for PPAPI Flash (only).

content/child/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_CHILD_REQUEST_EXTRA_DATA_H_
 #define CONTENT_CHILD_REQUEST_EXTRA_DATA_H_
 
 #include "base/compiler_specific.h"
 #include "content/common/content_export.h"
 #include "content/public/common/page_transition_types.h"
@@ skipping 72 matching lines @@
   }
   void set_service_worker_provider_id(
       int service_worker_provider_id) {
     service_worker_provider_id_ = service_worker_provider_id;
   }
   // |custom_user_agent| is used to communicate an overriding custom user agent
   // to |RenderViewImpl::willSendRequest()|; set to a null string to indicate no
   // override and an empty string to indicate that there should be no user
   // agent.
   const blink::WebString& custom_user_agent() const {
-      return custom_user_agent_;
+    return custom_user_agent_;
   }
-  void set_custom_user_agent(
-      const blink::WebString& custom_user_agent) {
+  void set_custom_user_agent(const blink::WebString& custom_user_agent) {
     custom_user_agent_ = custom_user_agent;
   }
+  const blink::WebString& requested_with() const {
+    return requested_with_;
+  }
+  void set_requested_with(const blink::WebString& requested_with) {
+    requested_with_ = requested_with;
+  }
 
  private:
   blink::WebPageVisibilityState visibility_state_;
   int render_frame_id_;
   bool is_main_frame_;
   GURL frame_origin_;
   bool parent_is_main_frame_;
   int parent_render_frame_id_;
   bool allow_download_;
   PageTransition transition_type_;
   bool should_replace_current_entry_;
   int transferred_request_child_id_;
   int transferred_request_request_id_;
   int service_worker_provider_id_;
   blink::WebString custom_user_agent_;
+  blink::WebString requested_with_;
 
   DISALLOW_COPY_AND_ASSIGN(RequestExtraData);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_REQUEST_EXTRA_DATA_H_