Hook up EncodedVideoSource on the browser side

content/browser/renderer_host/media/web_contents_video_capture_device.cc

Index: content/browser/renderer_host/media/web_contents_video_capture_device.cc
diff --git a/content/browser/renderer_host/media/web_contents_video_capture_device.cc b/content/browser/renderer_host/media/web_contents_video_capture_device.cc
index f3e6e2452b3e831dab4e47115c3361f4f4fab3f3..3774723668ae9e17c556d4c9e6963685d383f28e 100644
--- a/content/browser/renderer_host/media/web_contents_video_capture_device.cc
+++ b/content/browser/renderer_host/media/web_contents_video_capture_device.cc
@@ -426,7 +426,7 @@ bool ThreadSafeCaptureOracle::ObserveEventAndDecideCapture(
     return false;  // Capture is stopped.
 
   scoped_refptr<media::VideoFrame> output_buffer =
-      consumer_->ReserveOutputBuffer();
+      consumer_->ReserveOutputVideoFrame();
   const bool should_capture =
       oracle_->ObserveEventAndDecideCapture(event, event_time);
   const bool content_is_dirty =
@@ -1247,6 +1247,15 @@ media::VideoCaptureDevice* WebContentsVideoCaptureDevice::Create(
       name, render_process_id, render_view_id);
 }
 
+media::VideoEncodingCapabilities
+WebContentsVideoCaptureDevice::GetEncodingCapabilities() {
+  return media::VideoEncodingCapabilities();
+}
+
+void WebContentsVideoCaptureDevice::TryConfigureEncodedBitstream(
+    const media::RuntimeVideoEncodingParameters& params) {
+}
+
 void WebContentsVideoCaptureDevice::Allocate(
     int width, int height, int frame_rate,
     VideoCaptureDevice::EventHandler* consumer) {