Fix bookmark bubble crash....

chrome/browser/cocoa/bookmark_bubble_controller.mm

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "app/l10n_util_mac.h"
 #include "base/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #import "chrome/browser/cocoa/bookmark_bubble_controller.h"
 #import "chrome/browser/cocoa/bookmark_bubble_window.h"
@@ skipping 95 matching lines @@
 - (void)comboBoxSelectionDidChange:(NSNotification*)notification {
   NSString* selected = [folderComboBox_ objectValueOfSelectedItem];
   if ([selected isEqual:chooseAnotherFolder_.get()]) {
     [self edit:self];
   }
 }
 
 // We are the delegate of our own window so we know when we lose key.
 // When we lose key status we close, mirroring Windows behaivor.
 - (void)windowDidResignKey:(NSNotification*)notification {
+
+  // If we get here, we are done with this window and controller.  The
+  // call of close: may destroy us which destroys the window.  But the
+  // window is in the middle of processing resignKeyWindow.  We
+  // retain/autorelease the window to insure it lasts until the end of
+  // this event.
+  [[window_ retain] autorelease];
+
   if ([window_ isVisible])
     [self close:self];
 }
 
 @end  // BookmarkBubbleController
 
 
 @implementation BookmarkBubbleController(ExposedForUnitTesting)
 
 // Create and return a retained NSWindow for this bubble.
@@ skipping 80 matching lines @@
 - (void)setTitle:(NSString*)title parentFolder:(NSString*)folder {
   [nameTextField_ setStringValue:title];
   [folderComboBox_ selectItemWithObjectValue:folder];
 }
 
 - (NSString*)chooseAnotherFolderString {
   return chooseAnotherFolder_.get();
 }
 
 @end  // implementation BookmarkBubbleController(ExposedForUnitTesting)