Merge 98285 - [Mac] Keep the page-info-bubble controller alive until done with layout.

chrome/browser/ui/cocoa/page_info_bubble_controller.mm

Index: chrome/browser/ui/cocoa/page_info_bubble_controller.mm
===================================================================
--- chrome/browser/ui/cocoa/page_info_bubble_controller.mm	(revision 98836)
+++ chrome/browser/ui/cocoa/page_info_bubble_controller.mm	(working copy)
@@ -128,6 +128,10 @@
 
  private:
   void PerformLayout() {
+    // If the window is animating closed when this is called, the
+    // animation could be holding the last reference to |controller_|
+    // (and thus |this|).  Pin it until the task is completed.
+    scoped_nsobject<PageInfoBubbleController> keep_alive([controller_ retain]);
     [controller_ performLayout];
   }