Remove unused event in video_capture_input.cc.

Review URL: https://codereview.webrtc.org/1331833003

Cr-Commit-Position: refs/heads/master@{#9921}
diff --git a/webrtc/video/video_capture_input.cc b/webrtc/video/video_capture_input.cc
index 456e99c..895e2d8 100644
--- a/webrtc/video/video_capture_input.cc
+++ b/webrtc/video/video_capture_input.cc
@@ -44,7 +44,6 @@
                                                   this,
                                                   "CaptureThread")),
       capture_event_(*EventWrapper::Create()),
-      deliver_event_(*EventWrapper::Create()),
       stop_(0),
       last_captured_timestamp_(0),
       delta_ntp_internal_ms_(
@@ -69,7 +68,6 @@
   // Stop the camera input.
   capture_thread_->Stop();
   delete &capture_event_;
-  delete &deliver_event_;
 }
 
 void VideoCaptureInput::IncomingCapturedFrame(const VideoFrame& video_frame) {
diff --git a/webrtc/video/video_capture_input.h b/webrtc/video/video_capture_input.h
index 7ef1094..6cbcac5 100644
--- a/webrtc/video/video_capture_input.h
+++ b/webrtc/video/video_capture_input.h
@@ -82,7 +82,6 @@
   rtc::scoped_ptr<ThreadWrapper> capture_thread_;
   // TODO(pbos): scoped_ptr
   EventWrapper& capture_event_;
-  EventWrapper& deliver_event_;
 
   volatile int stop_;