Cross-process postMessage

chrome/browser/ui/browser_navigator.h

Index: chrome/browser/ui/browser_navigator.h
diff --git a/chrome/browser/ui/browser_navigator.h b/chrome/browser/ui/browser_navigator.h
index 026dd400bf20409c98effd997b1443de0b0bed20..a23b3cb682309caca3d364c6d8e2b06bc9a40b27 100644
--- a/chrome/browser/ui/browser_navigator.h
+++ b/chrome/browser/ui/browser_navigator.h
@@ -99,6 +99,11 @@ struct NavigateParams {
   // Whether this navigation was initiated by the renderer process.
   bool is_renderer_initiated;
 
+  // If we're navigating a frame that has an opener, this will be set to the
+  // opener's browsing instance frame id. This lets us preserve opener chains
+  // across processes. -1 means no opener.
+  int64 opener_browsing_instance_frame_id;
+
   // The index the caller would like the tab to be positioned at in the
   // TabStrip. The actual index will be determined by the TabHandler in
   // accordance with |add_types|. Defaults to -1 (allows the TabHandler to