gtk: Extract event functions into event_utils module.

chrome/browser/ui/gtk/infobars/link_infobar_gtk.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/gtk/infobars/link_infobar_gtk.h"
 
 #include "chrome/browser/tab_contents/link_infobar_delegate.h"
-#include "chrome/browser/ui/gtk/gtk_util.h"
+#include "chrome/browser/ui/gtk/event_utils.h"
 
 // LinkInfoBarDelegate ---------------------------------------------------------
 
 InfoBar* LinkInfoBarDelegate::CreateInfoBar(InfoBarTabHelper* owner) {
   return new LinkInfoBarGtk(owner, this);
 }
 
 // LinkInfoBarGtk --------------------------------------------------------------
 
 LinkInfoBarGtk::LinkInfoBarGtk(InfoBarTabHelper* owner,
                                LinkInfoBarDelegate* delegate)
     : InfoBarGtk(owner, delegate) {
   size_t link_offset;
   string16 display_text = delegate->GetMessageTextWithOffset(&link_offset);
   string16 link_text = delegate->GetLinkText();
   AddLabelWithInlineLink(display_text, link_text, link_offset,
                          G_CALLBACK(OnLinkClickedThunk));
 }
 
 LinkInfoBarGtk::~LinkInfoBarGtk() {
 }
 
 void LinkInfoBarGtk::OnLinkClicked(GtkWidget* button) {
   if (GetDelegate()->LinkClicked(
-        gtk_util::DispositionForCurrentButtonPressEvent()))
+        event_utils::DispositionForCurrentButtonPressEvent()))
     RemoveSelf();
 }
 
 LinkInfoBarDelegate* LinkInfoBarGtk::GetDelegate() {
   return delegate()->AsLinkInfoBarDelegate();
 }