Remove SupportsWeakPtr from VideoCaptureDeviceClient

media/capture/video/video_capture_device_client.h

 // Copyright 2015 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 MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_DEVICE_CLIENT_H_
 #define MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_DEVICE_CLIENT_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
 #include "base/threading/thread_collision_warner.h"
 #include "media/capture/capture_export.h"
 #include "media/capture/video/video_capture_device.h"
 
 namespace media {
 class VideoCaptureBufferPool;
 class VideoFrameReceiver;
 class VideoCaptureJpegDecoder;
 
 using VideoCaptureJpegDecoderFactoryCB =
     base::Callback<std::unique_ptr<VideoCaptureJpegDecoder>()>;
 
 // Implementation of media::VideoCaptureDevice::Client that uses a buffer pool
 // to provide buffers and converts incoming data to the I420 format for
 // consumption by a given VideoFrameReceiver.
 //
 // Methods of this class may be called from any thread, and in practice will
 // often be called on some auxiliary thread depending on the platform and the
 // device type; including, for example, the DirectShow thread on Windows, the
 // v4l2_thread on Linux, and the UI thread for tab capture.
 // The owner is responsible for making sure that the instance outlives these
 // calls.
 class CAPTURE_EXPORT VideoCaptureDeviceClient
-    : public media::VideoCaptureDevice::Client,
-      public base::SupportsWeakPtr<VideoCaptureDeviceClient> {
+    : public media::VideoCaptureDevice::Client {
  public:
   VideoCaptureDeviceClient(
       std::unique_ptr<VideoFrameReceiver> receiver,
       scoped_refptr<VideoCaptureBufferPool> buffer_pool,
       const VideoCaptureJpegDecoderFactoryCB& jpeg_decoder_factory);
   ~VideoCaptureDeviceClient() override;
 
   static Buffer MakeBufferStruct(
       scoped_refptr<VideoCaptureBufferPool> buffer_pool,
       int buffer_id,
@@ skipping 75 matching lines @@
   // concurrently. Producers are allowed to call from multiple threads, but not
   // concurrently.
   DFAKE_MUTEX(call_from_producer_);
 
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureDeviceClient);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CAPTURE_VIDEO_VIDEO_CAPTURE_DEVICE_CLIENT_H_