Revert of [Cast] Compute utilization metrics and add performance overlay.

media/cast/sender/sender_encoded_frame.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_CAST_SENDER_SENDER_ENCODED_FRAME_H_
-#define MEDIA_CAST_SENDER_SENDER_ENCODED_FRAME_H_
-
-#include "media/cast/net/cast_transport_config.h"
-
-namespace media {
-namespace cast {
-
-// Extends EncodedFrame with additional fields used within the sender-side of
-// the library.
-struct SenderEncodedFrame : public EncodedFrame {
-  SenderEncodedFrame();
-  ~SenderEncodedFrame() final;
-
-  // The amount of real-world time it took to encode the frame, divided by the
-  // maximum amount of time allowed.  Example: For the software VP8 encoder,
-  // this would be the elapsed encode time (according to the base::TimeTicks
-  // clock) divided by the VideoFrame's duration.
-  //
-  // Meaningful values are non-negative, with 0.0 [impossibly] representing 0%
-  // utilization, 1.0 representing 100% utilization, and values greater than 1.0
-  // indicating the encode time took longer than the media duration of the
-  // frame.  Negative values indicate the field was not computed.
-  double deadline_utilization;
-
-  // The amount of "lossiness" needed to encode the frame within the targeted
-  // bandwidth.  More-complex frame content and/or lower target encode bitrates
-  // will cause this value to rise.
-  //
-  // Meaningful values are non-negative, with 0.0 indicating the frame is very
-  // simple and/or the target encode bitrate is very large, 1.0 indicating the
-  // frame contains very complex content and/or the target encode bitrate is
-  // very small, and values greater than 1.0 indicating the encoder cannot
-  // encode the frame within the target bitrate (even at its lowest quality
-  // setting).  Negative values indicate the field was not computed.
-  double lossy_utilization;
-};
-
-}  // namespace cast
-}  // namespace media
-
-#endif  // MEDIA_CAST_SENDER_SENDER_ENCODED_FRAME_H_