Refactor VideoDestinationHandler to implement MediaStreamVideoSource.

content/renderer/media/mock_media_stream_video_sink.cc

Index: content/renderer/media/mock_media_stream_video_sink.cc
diff --git a/content/browser/compositor/resize_lock.cc b/content/renderer/media/mock_media_stream_video_sink.cc
similarity index 26%
copy from content/browser/compositor/resize_lock.cc
copy to content/renderer/media/mock_media_stream_video_sink.cc
index ddbc44378720f9c870ef863f8bf4de33cf263b79..af09244471b4a9d2a6243b8ca38c33e1606ef26b 100644
--- a/content/browser/compositor/resize_lock.cc
+++ b/content/renderer/media/mock_media_stream_video_sink.cc
@@ -2,34 +2,30 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/browser/compositor/resize_lock.h"
+#include "content/renderer/media/mock_media_stream_video_sink.h"
 
 namespace content {
 
-ResizeLock::ResizeLock(const gfx::Size new_size, bool defer_compositor_lock)
-    : new_size_(new_size),
-      defer_compositor_lock_(defer_compositor_lock) {
-  if (!defer_compositor_lock_)
-    LockCompositor();
+MockMediaStreamVideoSink::MockMediaStreamVideoSink()
+    : number_of_frames_(0),
+      enabled_(true),
+      format_(media::VideoFrame::UNKNOWN),
+      state_(blink::WebMediaStreamSource::ReadyStateLive) {
 }
 
-ResizeLock::~ResizeLock() {
-  UnlockCompositor();
+void MockMediaStreamVideoSink::OnVideoFrame(
+    const scoped_refptr<media::VideoFrame>& frame) {
+  ++number_of_frames_;
+  format_ = frame->format();
 }
 
-bool ResizeLock::GrabDeferredLock() {
-  if (!defer_compositor_lock_)
-    return false;
-  LockCompositor();
-  return true;
+void MockMediaStreamVideoSink::OnReadyStateChanged(
+    blink::WebMediaStreamSource::ReadyState state) {
+  state_ = state;
 }
 
-void ResizeLock::UnlockCompositor() {
-  defer_compositor_lock_ = false;
-}
-
-void ResizeLock::LockCompositor() {
-  defer_compositor_lock_ = false;
+void MockMediaStreamVideoSink::OnEnabledChanged(bool enabled) {
+  enabled_ = enabled;
 }
 
 }  // namespace content