Fix crash on fullscreening of popup.

chrome/browser/cocoa/toolbar_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_COCOA_TOOLBAR_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_TOOLBAR_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/scoped_ptr.h"
@@ skipping 32 matching lines @@
   id<BookmarkURLOpener> bookmarkBarDelegate_;  // weak
   NSView* webContentView_;  // weak; where the web goes
   NSView* infoBarsView_;     // weak; where the infobars go
 
   // Used for monitoring the optional toolbar button prefs.
   scoped_ptr<ToolbarControllerInternal::PrefObserverBridge> prefObserver_;
   BooleanPrefMember showHomeButton_;
   BooleanPrefMember showPageOptionButtons_;
   BOOL hasToolbar_;  // if NO, we only have the location bar.
 
+  // We have an extra retain in the locationBar_.
+  // See comments in awakeFromNib for more info.
+  scoped_nsobject<AutocompleteTextField> locationBarRetainer_;
+
   IBOutlet NSMenu* pageMenu_;
   IBOutlet NSMenu* wrenchMenu_;
 
   // The ordering is important for unit tests. If new items are added or the
   // ordering is changed, make sure to update |-toolbarViews| and the
   // corresponding enum in the unit tests.
   IBOutlet NSButton* backButton_;
   IBOutlet NSButton* forwardButton_;
   IBOutlet NSButton* reloadButton_;
   IBOutlet NSButton* homeButton_;
@@ skipping 56 matching lines @@
 
 // A set of private methods used by tests, in the absence of "friends" in ObjC.
 @interface ToolbarController(PrivateTestMethods)
 // Returns an array of views in the order of the outlets above.
 - (NSArray*)toolbarViews;
 - (void)showOptionalHomeButton;
 - (void)showOptionalPageWrenchButtons;
 @end
 
 #endif  // CHROME_BROWSER_COCOA_TOOLBAR_CONTROLLER_H_