Fix a crash in FullscreenExitBubbleController when the user clicks the "Exit full screen" button.

chrome/browser/ui/cocoa/fullscreen_exit_bubble_controller.mm

 // Copyright (c) 2011 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 <Cocoa/Cocoa.h>
 
 #include "base/logging.h"  // for NOTREACHED()
 #include "base/mac/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
@@ skipping 75 matching lines @@
   DCHECK(fullscreen_bubble::ShowButtonsForType(bubbleType_));
   browser_->OnAcceptFullscreenPermission(
       url_, bubbleType_);
   [self showButtons:NO];
   [self hideSoon];
 }
 
 - (void)deny:(id)sender {
   DCHECK(fullscreen_bubble::ShowButtonsForType(bubbleType_));
   browser_->OnDenyFullscreenPermission(bubbleType_);
-  [self hideSoon];
 }
 
 - (void)showButtons:(BOOL)show {
   [allowButton_ setHidden:!show];
   [denyButton_ setHidden:!show];
   [exitLabel_ setHidden:show];
 }
 
 // We want this to be a child of a browser window.  addChildWindow:
 // (called from this function) will bring the window on-screen;
@@ skipping 211 matching lines @@
 - (void)hideSoon {
   hideTimer_.reset(
       [[NSTimer scheduledTimerWithTimeInterval:kInitialDelay
                                         target:self
                                       selector:@selector(hideTimerFired:)
                                       userInfo:nil
                                        repeats:NO] retain]);
 }
 
 @end