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

content/child/request_extra_data.h

Index: content/child/request_extra_data.h
diff --git a/content/child/request_extra_data.h b/content/child/request_extra_data.h
index 0302346def0c273275886346fa752a7502daa635..2b34d2afe687288a5ca3dc90deeac3f7f6d821c2 100644
--- a/content/child/request_extra_data.h
+++ b/content/child/request_extra_data.h
@@ -90,12 +90,17 @@ class CONTENT_EXPORT RequestExtraData
   // 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& x_requested_with() const {
+    return x_requested_with_;

[brettw, 2014/08/18 21:22:48]

I think trung's patch called this just "requested with". Adding the "x_" here I
find difficult to read and possibly confusing. WE we just skip the prefix at
this level?

[Tom Sepez, 2014/08/18 22:15:23]

done.

+  }
+  void set_x_requested_with(const blink::WebString& x_requested_with) {
+    x_requested_with_ = x_requested_with;
+  }
 
  private:
   blink::WebPageVisibilityState visibility_state_;
@@ -111,6 +116,7 @@ class CONTENT_EXPORT RequestExtraData
   int transferred_request_request_id_;
   int service_worker_provider_id_;
   blink::WebString custom_user_agent_;
+  blink::WebString x_requested_with_;
 
   DISALLOW_COPY_AND_ASSIGN(RequestExtraData);
 };