Use rtc::scoped_refptr for WebRtcVideoCapturer.

webrtc/media/engine/fakewebrtcvideocapturemodule.h

 /*
  *  Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 10 matching lines @@
 // Fake class for mocking out webrtc::VideoCaptureModule.
 class FakeWebRtcVideoCaptureModule : public webrtc::VideoCaptureModule {
  public:
   FakeWebRtcVideoCaptureModule(FakeWebRtcVcmFactory* factory, int32_t id)
       : factory_(factory),
         id_(id),
         callback_(NULL),
         running_(false),
         delay_(0) {
   }
+  ~FakeWebRtcVideoCaptureModule();
   int64_t TimeUntilNextProcess() override { return 0; }
   void Process() override {}
   void RegisterCaptureDataCallback(
       webrtc::VideoCaptureDataCallback& callback) override {
     callback_ = &callback;
   }
   void DeRegisterCaptureDataCallback() override { callback_ = NULL; }
   void RegisterCaptureCallback(
       webrtc::VideoCaptureFeedBack& callback) override {
     // Not implemented.
@@ skipping 35 matching lines @@
   bool SetApplyRotation(bool enable) override {
     return false;  // not implemented
   }
   bool GetApplyRotation() override {
     return true;  // Rotation compensation is turned on.
   }
   VideoCaptureEncodeInterface* GetEncodeInterface(
       const webrtc::VideoCodec& codec) override {
     return NULL;  // not implemented
   }
-  int32_t AddRef() const override { return 0; }
-  int32_t Release() const override {
-    delete this;
-    return 0;
-  }
 
   void SendFrame(int w, int h) {
     if (!running_) return;
     webrtc::VideoFrame sample;
     // Setting stride based on width.
     sample.CreateEmptyFrame(w, h, w, (w + 1) / 2, (w + 1) / 2);
     if (callback_) {
       callback_->OnIncomingCapturedFrame(id_, sample);
     }
   }
 
   const webrtc::VideoCaptureCapability& cap() const {
     return cap_;
   }
 
  private:
-  // Ref-counted, use Release() instead.
-  ~FakeWebRtcVideoCaptureModule();
-
   FakeWebRtcVcmFactory* factory_;
   int id_;
   webrtc::VideoCaptureDataCallback* callback_;
   bool running_;
   webrtc::VideoCaptureCapability cap_;
   int delay_;
 };
 
 #endif  // WEBRTC_MEDIA_ENGINE_FAKEWEBRTCVIDEOCAPTUREMODULE_H_