Make cricket::VideoCapturer implement VideoSourceInterface

webrtc/media/webrtc/webrtcvideocapturer.cc

Index: webrtc/media/webrtc/webrtcvideocapturer.cc
diff --git a/webrtc/media/webrtc/webrtcvideocapturer.cc b/webrtc/media/webrtc/webrtcvideocapturer.cc
index c5eb1adadc6af0925989da019c9252112316fdb5..2a6147c87d80c646d9bd84ce3f73e41d0fc15267 100644
--- a/webrtc/media/webrtc/webrtcvideocapturer.cc
+++ b/webrtc/media/webrtc/webrtcvideocapturer.cc
@@ -203,9 +203,6 @@ bool WebRtcVideoCapturer::Init(const Device& device) {
   SetId(device.id);
   SetSupportedFormats(supported);
 
-  // Ensure these 2 have the same value.
-  SetApplyRotation(module_->GetApplyRotation());
-
   return true;
 }
 
@@ -243,7 +240,8 @@ bool WebRtcVideoCapturer::GetBestCaptureFormat(const VideoFormat& desired,
   }
   return true;
 }
-bool WebRtcVideoCapturer::SetApplyRotation(bool enable) {
+void WebRtcVideoCapturer::OnSourceChangeRequested(
+    const rtc::VideoSinkHints& hints) {
   // Can't take lock here as this will cause deadlock with
   // OnIncomingCapturedFrame. In fact, the whole method, including methods it
   // calls, can't take lock.
@@ -253,13 +251,14 @@ bool WebRtcVideoCapturer::SetApplyRotation(bool enable) {
       webrtc::field_trial::FindFullName("WebRTC-CVO");
 
   if (group_name == "Disabled") {
-    return true;
+    return;
   }
 
-  if (!VideoCapturer::SetApplyRotation(enable)) {
-    return false;
-  }
-  return module_->SetApplyRotation(enable);
+  VideoCapturer::OnSourceChangeRequested(hints);
+  bool result = module_->SetApplyRotation(!hints.can_apply_rotation);
+  RTC_CHECK(result);
+
+  return;
 }
 
 CaptureState WebRtcVideoCapturer::Start(const VideoFormat& capture_format) {