[Extensions] Remove the Infobar API

components/infobars/core/infobar_delegate.h

 // Copyright 2014 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 COMPONENTS_INFOBARS_CORE_INFOBAR_DELEGATE_H_
 #define COMPONENTS_INFOBARS_CORE_INFOBAR_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "ui/base/window_open_disposition.h"
 
 class AutoLoginInfoBarDelegate;
 class ConfirmInfoBarDelegate;
-class ExtensionInfoBarDelegate;
 class InsecureContentInfoBarDelegate;
 class MediaStreamInfoBarDelegate;
 class NativeAppInfoBarDelegate;
 class PopupBlockedInfoBarDelegate;
 class RegisterProtocolHandlerInfoBarDelegate;
 class ScreenCaptureInfoBarDelegate;
 class ThemeInstalledInfoBarDelegate;
 class ThreeDAPIInfoBarDelegate;
 
 namespace translate {
@@ skipping 75 matching lines @@
   // value is equal to |kNoIconID|, no icon is shown.
   virtual int GetIconID() const;
 
   // Returns the type of the infobar.  The type determines the appearance (such
   // as background color) of the infobar.
   virtual Type GetInfoBarType() const;
 
   // Type-checking downcast routines:
   virtual AutoLoginInfoBarDelegate* AsAutoLoginInfoBarDelegate();
   virtual ConfirmInfoBarDelegate* AsConfirmInfoBarDelegate();
-  virtual ExtensionInfoBarDelegate* AsExtensionInfoBarDelegate();
   virtual InsecureContentInfoBarDelegate* AsInsecureContentInfoBarDelegate();
   virtual MediaStreamInfoBarDelegate* AsMediaStreamInfoBarDelegate();
   virtual NativeAppInfoBarDelegate* AsNativeAppInfoBarDelegate();
   virtual PopupBlockedInfoBarDelegate* AsPopupBlockedInfoBarDelegate();
   virtual RegisterProtocolHandlerInfoBarDelegate*
       AsRegisterProtocolHandlerInfoBarDelegate();
   virtual ScreenCaptureInfoBarDelegate* AsScreenCaptureInfoBarDelegate();
   virtual ThemeInstalledInfoBarDelegate* AsThemePreviewInfobarDelegate();
   virtual translate::TranslateInfoBarDelegate* AsTranslateInfoBarDelegate();
 
@@ skipping 23 matching lines @@
 
   // The InfoBar associated with us.
   InfoBar* infobar_;
 
   DISALLOW_COPY_AND_ASSIGN(InfoBarDelegate);
 };
 
 }  // namespace infobars
 
 #endif  // COMPONENTS_INFOBARS_CORE_INFOBAR_DELEGATE_H_