Split cocoa_event_utils in two parts.

chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.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.
 
 #include "chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.h"
 
 #include "base/mac/scoped_nsobject.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_alert.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.h"
 #import "chrome/browser/ui/cocoa/key_equivalent_constants.h"
 #include "chrome/browser/ui/tab_modal_confirm_dialog_delegate.h"
 #include "chrome/common/chrome_switches.h"
-#include "ui/base/cocoa/cocoa_event_utils.h"
+#include "ui/base/cocoa/cocoa_base_utils.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/gfx/image/image.h"
 
 // static
 TabModalConfirmDialog* TabModalConfirmDialog::Create(
     TabModalConfirmDialogDelegate* delegate,
     content::WebContents* web_contents) {
   // Deletes itself when closed.
   return new TabModalConfirmDialogMac(delegate, web_contents);
 }
@@ skipping 90 matching lines @@
   // If this method should mistakenly be called during Delegate::Close(),
   // prevent a double-delete by moving delegate_ to a stack variable.
   if (!delegate_)
     return;
   scoped_ptr<TabModalConfirmDialogDelegate> delegate(delegate_.Pass());
   // Provide a disposition in case the dialog was closed without accepting or
   // cancelling.
   delegate->Close();
   delete this;
 }