Cleanup: Remove unneeded forward declarations in ppapi.

ppapi/thunk/resource_creation_api.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 PPAPI_THUNK_RESOURCE_CREATION_API_H_
 #define PPAPI_THUNK_RESOURCE_CREATION_API_H_
 
 #include "ppapi/c/dev/ppb_file_chooser_dev.h"
 #include "ppapi/c/dev/ppb_video_layer_dev.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/ppb_audio.h"
 #include "ppapi/c/ppb_audio_config.h"
 #include "ppapi/c/ppb_file_system.h"
 #include "ppapi/c/ppb_graphics_3d.h"
 #include "ppapi/c/ppb_image_data.h"
 #include "ppapi/c/ppb_input_event.h"
 #include "ppapi/c/dev/pp_video_dev.h"
 #include "ppapi/c/dev/ppb_transport_dev.h"
 #include "ppapi/shared_impl/api_id.h"
 
 struct PP_Flash_Menu;
 struct PP_FontDescription_Dev;
-struct PP_VideoCaptureDeviceInfo_Dev;
 struct PP_Size;
 
 namespace ppapi {
 
 struct PPB_URLRequestInfo_Data;
 
 namespace thunk {
 
 // A functional API for creating resource types. Separating out the creation
 // functions here allows us to implement most resources as a pure "resource
@@ skipping 97 matching lines @@
       const PP_FloatPoint* wheel_ticks,
       PP_Bool scroll_by_page) = 0;
 
   static const ApiID kApiID = API_ID_RESOURCE_CREATION;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_RESOURCE_CREATION_API_H_