Context menus only opens if the mouse are released in the same view as it was...

chrome/views/view.cc

Index: chrome/views/view.cc
===================================================================
--- chrome/views/view.cc	(revision 11536)
+++ chrome/views/view.cc	(working copy)
@@ -499,9 +499,11 @@
     // Assume that if there is a context menu controller we won't be deleted
     // from mouse released.
     gfx::Point location(e.location());
-    ConvertPointToScreen(this, &location);
     OnMouseReleased(e, canceled);
-    ShowContextMenu(location.x(), location.y(), true);
+    if (HitTest(location)) {
+      ConvertPointToScreen(this, &location);
+      ShowContextMenu(location.x(), location.y(), true);
+    }
   } else {
     OnMouseReleased(e, canceled);
   }