Remove stop method from VideoTrackSourceInterface.

webrtc/api/androidvideotracksource.h

 /*
  *  Copyright (c) 2016 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 16 matching lines @@
 
 namespace webrtc {
 
 class AndroidVideoTrackSource : public Notifier<VideoTrackSourceInterface> {
  public:
   AndroidVideoTrackSource(rtc::Thread* signaling_thread,
                           JNIEnv* jni,
                           jobject j_egl_context,
                           bool is_screencast = false);
 
-  // Not used on Android.
-  // TODO(sakal/magjed): Try to remove this from the interface.
-  void Stop() override { RTC_NOTREACHED(); };
-
   bool is_screencast() const override { return is_screencast_; }
 
   // Indicates that the encoder should denoise video before encoding it.
   // If it is not set, the default configuration is used which is different
   // depending on video codec.
   rtc::Optional<bool> needs_denoising() const override {
     return rtc::Optional<bool>(false);
   }
 
   // Returns false if no stats are available, e.g, for a remote
@@ skipping 62 matching lines @@
                   int* crop_width,
                   int* crop_height,
                   int* crop_x,
                   int* crop_y,
                   int64_t* translated_camera_time_us);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_ANDROIDVIDEOTRACKSOURCE_H_