Unit test for WebMediaPlayerMS

content/renderer/media/webmediaplayer_ms.cc

Index: content/renderer/media/webmediaplayer_ms.cc
diff --git a/content/renderer/media/webmediaplayer_ms.cc b/content/renderer/media/webmediaplayer_ms.cc
index 162ccf73a406758a7b7ede464df285168e8090ea..3d33ef4b771e3cf84d985f7c46fe1da4665c9dc4 100644
--- a/content/renderer/media/webmediaplayer_ms.cc
+++ b/content/renderer/media/webmediaplayer_ms.cc
@@ -439,4 +439,28 @@ void WebMediaPlayerMS::SetReadyState(WebMediaPlayer::ReadyState state) {
   // Always notify to ensure client has the latest value.
   get_client()->readyStateChanged();
 }
+
+cc::VideoFrameProvider* WebMediaPlayerMS::LoadForTesting(
+    bool algorithm_enabled) {
+  compositor_.reset(new WebMediaPlayerMSCompositor(compositor_task_runner_,
+                                                   algorithm_enabled));
+
+  SetNetworkState(WebMediaPlayer::NetworkStateLoading);
+  SetReadyState(WebMediaPlayer::ReadyStateHaveNothing);
+
+  media_log_->AddEvent(media_log_->CreateLoadEvent("LoadForTest"));
+
+  video_frame_provider_ = renderer_factory_->GetVideoFrameProvider(
+      blink::WebURL(),
+      base::Bind(&WebMediaPlayerMS::OnSourceError, AsWeakPtr()),
+      base::Bind(&WebMediaPlayerMS::OnFrameAvailable, AsWeakPtr()),
+      media_task_runner_, worker_task_runner_, gpu_factories_);
+
+  audio_renderer_ = nullptr;
+
+  if (video_frame_provider_)
+    video_frame_provider_->Start();
+
+  return compositor_.get();
+}
 }  // namespace content