Split infobar_delegate.[cc,h] into separate pieces for the different classes defined within, so that

chrome/browser/ui/gtk/infobars/infobar_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_
 #define CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
-#include "chrome/browser/tab_contents/infobar_delegate.h"
 #include "chrome/browser/ui/gtk/infobars/infobar_arrow_model.h"
 #include "chrome/browser/ui/gtk/owned_widget_gtk.h"
 #include "chrome/browser/ui/gtk/slide_animator_gtk.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
+#include "content/browser/tab_contents/infobar_delegate.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "ui/base/gtk/gtk_signal.h"
 
 class CustomDrawButton;
 class GtkThemeProvider;
 class InfoBarContainerGtk;
 class InfoBarDelegate;
 
 class InfoBar : public SlideAnimatorGtk::Delegate,
                 public NotificationObserver,
@@ skipping 108 matching lines @@
  private:
   CHROMEGTK_CALLBACK_0(InfoBar, void, OnCloseButton);
   CHROMEGTK_CALLBACK_1(InfoBar, gboolean, OnBackgroundExpose, GdkEventExpose*);
 
   void UpdateBorderColor();
 
   DISALLOW_COPY_AND_ASSIGN(InfoBar);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_