components: Cleanup class/struct fwd declarations

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/macros.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
@@ skipping 16 matching lines @@
 
 namespace offline_pages {
 class OfflinePageInfoBarDelegate;
 }
 #endif
 
 namespace translate {
 class TranslateInfoBarDelegate;
 }
 
-class SearchGeolocationDisclosureInfoBarDelegate;
-
 namespace gfx {
 class Image;
 enum class VectorIconId;
 }
 
 namespace infobars {
 
 class InfoBar;
 
 // An interface implemented by objects wishing to control an InfoBar.
@@ skipping 199 matching lines @@
 
   // The ID of the active navigation entry at the time we became owned.
   int nav_entry_id_;
 
   DISALLOW_COPY_AND_ASSIGN(InfoBarDelegate);
 };
 
 }  // namespace infobars
 
 #endif  // COMPONENTS_INFOBARS_CORE_INFOBAR_DELEGATE_H_