[Mac] Fix for Dialog Textfields

chrome/browser/ui/cocoa/bookmarks/bookmark_bubble_controller.mm

 // Copyright (c) 2012 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.
 
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bubble_controller.h"
 
 #include "base/mac/bundle_locations.h"
 #import "base/mac/sdk_forward_declarations.h"
 #include "base/metrics/user_metrics.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 132 matching lines @@
 // model.  This is an IBOutlet-looking entry point to remove the
 // dialog without touching the model.
 - (void)dismissWithoutEditing:(id)sender {
   [self close];
 }
 
 - (void)windowWillClose:(NSNotification*)notification {
   // We caught a close so we don't need to watch for the parent closing.
   bookmarkObserver_.reset();
   [self notifyBubbleClosed];
+
+  // Force the field editor to resign the first responder so that it'll
+  // be removed from the view hierarchy and its delegate be set to nil.
+  [[self window] endEditingFor:nameTextField_];
+
   [super windowWillClose:notification];
 }
 
 // Override -[BaseBubbleController showWindow:] to tweak bubble location and
 // set up UI elements.
 - (void)showWindow:(id)sender {
   NSWindow* window = [self window];  // Force load the NIB.
   NSWindow* parentWindow = self.parentWindow;
   BrowserWindowController* bwc =
       [BrowserWindowController browserWindowControllerForWindow:parentWindow];
@@ skipping 97 matching lines @@
 }
 
 // Delegate method: see |NSWindowDelegate| protocol.
 - (id)windowWillReturnFieldEditor:(NSWindow*)sender toObject:(id)obj {
   if (obj != nameTextField_)
     return nil;
 
   if (!textFieldEditor_)
     textFieldEditor_.reset([[DialogTextFieldEditor alloc] init]);
 
-  return textFieldEditor_.autorelease();
+  return textFieldEditor_.get();
 }
 
 // Shows the bookmark editor sheet for more advanced editing.
 - (void)showEditor {
   [self ok:self];
   // Send the action up through the responder chain.
   [NSApp sendAction:@selector(editBookmarkNode:) to:nil from:self];
 }
 
 - (IBAction)edit:(id)sender {
@@ skipping 189 matching lines @@
   NSInteger idx = [menu indexOfItemWithRepresentedObject:parentValue];
   DCHECK(idx != -1);
   [folderPopUpButton_ selectItemAtIndex:idx];
 }
 
 - (NSPopUpButton*)folderPopUpButton {
   return folderPopUpButton_;
 }
 
 @end  // implementation BookmarkBubbleController(ExposedForUnitTesting)