Cross-process postMessage

content/browser/tab_contents/page_navigator.h

Index: content/browser/tab_contents/page_navigator.h
diff --git a/content/browser/tab_contents/page_navigator.h b/content/browser/tab_contents/page_navigator.h
index 4ec0a3bba597ebe3667fe1ea5ad3524cc447232c..e477f5af426fbf7a132bce61bcfa55066afc188e 100644
--- a/content/browser/tab_contents/page_navigator.h
+++ b/content/browser/tab_contents/page_navigator.h
@@ -26,7 +26,8 @@ struct CONTENT_EXPORT OpenURLParams {
                 const content::Referrer& referrer,
                 WindowOpenDisposition disposition,
                 content::PageTransition transition,
-                bool is_renderer_initiated);
+                bool is_renderer_initiated,
+                int64 opener_browsing_instance_frame_id = -1);
   ~OpenURLParams();
 
   // The URL/referrer to be opened.
@@ -45,6 +46,9 @@ struct CONTENT_EXPORT OpenURLParams {
   // The override encoding of the URL contents to be opened.
   std::string override_encoding;
 
+  // The frame id of source frame's opener, or -1 if none exists
+  int64 opener_browsing_instance_frame_id;
+
   // Reference to the old request id in case this is a navigation that is being
   // transferred to a new renderer.
   GlobalRequestID transferred_global_request_id;