Remove the old type system for proxied resources. These were no longer being used.

ppapi/proxy/ppb_video_capture_proxy.cc

 // 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.
 
 #include "ppapi/proxy/ppb_video_capture_proxy.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 131 matching lines @@
 };
 
 }  // namespace
 
 class VideoCapture : public ppapi::thunk::PPB_VideoCapture_API,
                      public PluginResource {
  public:
   VideoCapture(const HostResource& resource);
   virtual ~VideoCapture();
 
-  // Resource overrides.
-  virtual VideoCapture* AsVideoCapture() OVERRIDE;
-
   // ResourceObjectBase overrides.
   virtual ppapi::thunk::PPB_VideoCapture_API* AsPPB_VideoCapture_API() OVERRIDE;
 
   // PPB_VideoCapture_API implementation.
   virtual int32_t StartCapture(
       const PP_VideoCaptureDeviceInfo_Dev& requested_info,
       uint32_t buffer_count) {
     switch (status_) {
       case PP_VIDEO_CAPTURE_STATUS_STARTING:
       case PP_VIDEO_CAPTURE_STATUS_STARTED:
@@ skipping 89 matching lines @@
 };
 
 VideoCapture::VideoCapture(const HostResource& resource)
     : PluginResource(resource),
       status_(PP_VIDEO_CAPTURE_STATUS_STOPPED) {
 }
 
 VideoCapture::~VideoCapture() {
 }
 
-VideoCapture* VideoCapture::AsVideoCapture() {
-  return this;
-}
-
 ppapi::thunk::PPB_VideoCapture_API* VideoCapture::AsPPB_VideoCapture_API() {
   return this;
 }
 
 PPB_VideoCapture_Proxy::PPB_VideoCapture_Proxy(Dispatcher* dispatcher,
                                                const void* target_interface)
     : InterfaceProxy(dispatcher, target_interface) {
 }
 
 PPB_VideoCapture_Proxy::~PPB_VideoCapture_Proxy() {
@@ skipping 172 matching lines @@
   PP_Resource resource = tracker->PluginResourceForHostResource(host_resource);
   if (!resource || !ppp_video_capture_target() || enter.failed())
     return;
   static_cast<VideoCapture*>(enter.object())->SetBufferInUse(buffer);
   ppp_video_capture_target()->OnBufferReady(
       host_resource.instance(), resource, buffer);
 }
 
 }  // namespace proxy
 }  // namespace pp