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

chrome/browser/extensions/theme_installed_infobar_delegate.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_EXTENSIONS_THEME_INSTALLED_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_EXTENSIONS_THEME_INSTALLED_INFOBAR_DELEGATE_H_
 #pragma once
 
-#include "chrome/browser/tab_contents/infobar_delegate.h"
+#include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
 #include "chrome/common/notification_registrar.h"
 
 class Extension;
 class SkBitmap;
 class TabContents;
 
 // When a user installs a theme, we display it immediately, but provide an
 // infobar allowing them to cancel.
 class ThemeInstalledInfoBarDelegate : public ConfirmInfoBarDelegate,
                                       public NotificationObserver {
@@ skipping 40 matching lines @@
   std::string previous_theme_id_;
 
   // Tab to which this info bar is associated.
   TabContents* tab_contents_;
 
   // Registers and unregisters us for notifications.
   NotificationRegistrar registrar_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_THEME_INSTALLED_INFOBAR_DELEGATE_H_