Cross-process postMessage

content/browser/tab_contents/navigation_entry.h

Index: content/browser/tab_contents/navigation_entry.h
diff --git a/content/browser/tab_contents/navigation_entry.h b/content/browser/tab_contents/navigation_entry.h
index 6b139a189d74efa858fb23cd4bf549fc7129c873..20c098167a342a84cdf6034b429b080a720590bd 100644
--- a/content/browser/tab_contents/navigation_entry.h
+++ b/content/browser/tab_contents/navigation_entry.h
@@ -331,6 +331,15 @@ class CONTENT_EXPORT NavigationEntry {
     return extra_headers_;
   }
 
+  // Used to support swapouts of frames with non-null openers.
+  void set_opener_content_frame_id(int64 id) {
+    opener_content_frame_id_ = id;
+  }
+
+  int64 opener_content_frame_id() const {
+    return opener_content_frame_id_;
+  }
+
   // Page-related helpers ------------------------------------------------------
 
   // Returns the title to be displayed on the tab. This could be the title of
@@ -471,6 +480,13 @@ class CONTENT_EXPORT NavigationEntry {
   // continues as normal.
   GlobalRequestID transferred_global_request_id_;
 
+  // If we're navigating a frame that should have an opener (such as when we
+  // open a cross-process pop-up window), we store the content frame id of the
+  // expected opener here so that we can re-create it if needed. If the frame
+  // does not have an opener, this is -1. This is not persisted because
+  // scripting connections are not currently persisted.
+  int64 opener_content_frame_id_;
+
   // Copy and assignment is explicitly allowed for this class.
 };