Simplify FrameConsumer interface. Remove FrameProducer interface.

remoting/client/frame_consumer_proxy.h

-// Copyright (c) 2012 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.
-
-// FrameConsumerProxy is used to allow a FrameConsumer on the UI thread to be
-// invoked by a Decoder on the decoder thread.  The Detach() method is used by
-// the proxy's owner before tearing down the FrameConsumer, to prevent any
-// further invokations reaching it.
-
-#ifndef REMOTING_CLIENT_FRAME_CONSUMER_PROXY_H_
-#define REMOTING_CLIENT_FRAME_CONSUMER_PROXY_H_
-
-#include "base/memory/weak_ptr.h"
-#include "remoting/client/frame_consumer.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}  // namespace base
-
-namespace remoting {
-
-class FrameConsumerProxy : public FrameConsumer {
- public:
-  // Constructs a FrameConsumer proxy which can be passed to another thread,
-  // and will direct calls to |frame_consumer| on the thread from which the
-  // proxy was constructed.
-  FrameConsumerProxy(const base::WeakPtr<FrameConsumer>& frame_consumer);
-  ~FrameConsumerProxy() override;
-
-  // FrameConsumer implementation.
-  void ApplyBuffer(const webrtc::DesktopSize& view_size,
-                   const webrtc::DesktopRect& clip_area,
-                   webrtc::DesktopFrame* buffer,
-                   const webrtc::DesktopRegion& region,
-                   const webrtc::DesktopRegion* shape) override;
-  void ReturnBuffer(webrtc::DesktopFrame* buffer) override;
-  void SetSourceSize(const webrtc::DesktopSize& source_size,
-                     const webrtc::DesktopVector& dpi) override;
-  PixelFormat GetPixelFormat() override;
-
- private:
-  base::WeakPtr<FrameConsumer> frame_consumer_;
-
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  PixelFormat pixel_format_;
-
-  DISALLOW_COPY_AND_ASSIGN(FrameConsumerProxy);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_CLIENT_FRAME_CONSUMER_PROXY_H_