MediaStreamVideo*/VideoTrackAdapter and RTCVideoRenderer (small) cleanup

content/renderer/media/rtc_video_renderer.cc

Index: content/renderer/media/rtc_video_renderer.cc
diff --git a/content/renderer/media/rtc_video_renderer.cc b/content/renderer/media/rtc_video_renderer.cc
index 0f3259891bc922dfeb5ec9ce8c5a60acb68262b4..76d2ab46d75f198129902f3c9546763ad1501ae6 100644
--- a/content/renderer/media/rtc_video_renderer.cc
+++ b/content/renderer/media/rtc_video_renderer.cc
@@ -62,16 +62,14 @@ void RTCVideoRenderer::Stop() {
 
 void RTCVideoRenderer::Play() {
   DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  if (state_ == PAUSED) {
+  if (state_ == PAUSED)
     state_ = STARTED;
-  }
 }
 
 void RTCVideoRenderer::Pause() {
   DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  if (state_ == STARTED) {
+  if (state_ == STARTED)
     state_ = PAUSED;
-  }
 }
 
 void RTCVideoRenderer::OnReadyStateChanged(
@@ -85,9 +83,8 @@ void RTCVideoRenderer::OnVideoFrame(
     const scoped_refptr<media::VideoFrame>& frame,
     const base::TimeTicks& estimated_capture_time) {
   DCHECK(message_loop_proxy_->BelongsToCurrentThread());
-  if (state_ != STARTED) {
+  if (state_ != STARTED)
     return;
-  }
 
   frame_size_ = frame->natural_size();