Introduce InfoBarTabService API.

chrome/browser/infobars/insecure_content_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_INFOBARS_INSECURE_CONTENT_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_INFOBARS_INSECURE_CONTENT_INFOBAR_DELEGATE_H_
 
 #include "chrome/browser/api/infobars/confirm_infobar_delegate.h"
 
+class InfoBarTabHelper;
+
 // Base class for delegates that show warnings on HTTPS pages which try to
 // display or run insecure content.
 class InsecureContentInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
   enum InfoBarType {
     DISPLAY,  // Shown when "inactive" content (e.g. images) has been blocked.
     RUN,      // Shown when "active" content (e.g. script) has been blocked.
   };
 
   InsecureContentInfoBarDelegate(InfoBarTabHelper* infobar_helper,
@@ skipping 26 matching lines @@
   virtual string16 GetLinkText() const OVERRIDE;
   virtual bool LinkClicked(WindowOpenDisposition disposition) OVERRIDE;
 
   InfoBarType type_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(InsecureContentInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_INFOBARS_INSECURE_CONTENT_INFOBAR_DELEGATE_H_