AndroidVideoCapturer: Remove unused member variable

webrtc/api/androidvideocapturer.cc

 /*
  *  Copyright 2015 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.
  */
 
 #include "webrtc/api/androidvideocapturer.h"
 
 #include <memory>
 
 #include "webrtc/api/java/jni/native_handle_impl.h"
 #include "webrtc/base/common.h"
 #include "webrtc/base/timeutils.h"
 #include "webrtc/media/engine/webrtcvideoframe.h"
 
 namespace webrtc {
 
 AndroidVideoCapturer::AndroidVideoCapturer(
     const rtc::scoped_refptr<AndroidVideoCapturerDelegate>& delegate)
     : running_(false),
-      delegate_(delegate),
-      current_state_(cricket::CS_STOPPED) {
+      delegate_(delegate) {
   thread_checker_.DetachFromThread();
   SetSupportedFormats(delegate_->GetSupportedFormats());
 }
 
 AndroidVideoCapturer::~AndroidVideoCapturer() {
   RTC_CHECK(!running_);
 }
 
 cricket::CaptureState AndroidVideoCapturer::Start(
     const cricket::VideoFormat& capture_format) {
   RTC_CHECK(thread_checker_.CalledOnValidThread());
   RTC_CHECK(!running_);
   const int fps = cricket::VideoFormat::IntervalToFps(capture_format.interval);
   LOG(LS_INFO) << " AndroidVideoCapturer::Start " << capture_format.width << "x"
                << capture_format.height << "@" << fps;
 
   running_ = true;
   delegate_->Start(capture_format.width, capture_format.height, fps, this);
   SetCaptureFormat(&capture_format);
-  current_state_ = cricket::CS_STARTING;
-  return current_state_;
+  return cricket::CS_STARTING;
 }
 
 void AndroidVideoCapturer::Stop() {
   LOG(LS_INFO) << " AndroidVideoCapturer::Stop ";
   RTC_CHECK(thread_checker_.CalledOnValidThread());
   RTC_CHECK(running_);
   running_ = false;
   SetCaptureFormat(NULL);
 
   delegate_->Stop();
-  current_state_ = cricket::CS_STOPPED;
-  SetCaptureState(current_state_);
+  SetCaptureState(cricket::CS_STOPPED);
 }
 
 bool AndroidVideoCapturer::IsRunning() {
   RTC_CHECK(thread_checker_.CalledOnValidThread());
   return running_;
 }
 
 bool AndroidVideoCapturer::GetPreferredFourccs(std::vector<uint32_t>* fourccs) {
   RTC_CHECK(thread_checker_.CalledOnValidThread());
   fourccs->push_back(cricket::FOURCC_YV12);
   return true;
 }
 
 void AndroidVideoCapturer::OnCapturerStarted(bool success) {
   RTC_CHECK(thread_checker_.CalledOnValidThread());
-  cricket::CaptureState new_state =
+  const cricket::CaptureState new_state =
       success ? cricket::CS_RUNNING : cricket::CS_FAILED;
-  if (new_state == current_state_)
-    return;
-  current_state_ = new_state;
   SetCaptureState(new_state);
 }
 
 void AndroidVideoCapturer::OnOutputFormatRequest(
     int width, int height, int fps) {
   RTC_CHECK(thread_checker_.CalledOnValidThread());
   cricket::VideoFormat format(width, height,
                               cricket::VideoFormat::FpsToInterval(fps), 0);
   video_adapter()->OnOutputFormatRequest(format);
 }
 
 bool AndroidVideoCapturer::GetBestCaptureFormat(
     const cricket::VideoFormat& desired,
     cricket::VideoFormat* best_format) {
   // Delegate this choice to VideoCapturer.startCapture().
   *best_format = desired;
   return true;
 }
 
 }  // namespace webrtc