Make OffscreenCanvas animation in sync with its placeholder canvas's parent frame rate

content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.cc

Index: content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.cc
diff --git a/content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.cc b/content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.cc
index 5717d03773b2bb1f13af95819701a97a1cee8a5e..48f4f112a499675831066a42a1e54537eb802dbf 100644
--- a/content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.cc
+++ b/content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.cc
@@ -30,7 +30,9 @@ OffscreenCanvasCompositorFrameSink::OffscreenCanvasCompositorFrameSink(
                  base::Unretained(this)));
 }
 
-OffscreenCanvasCompositorFrameSink::~OffscreenCanvasCompositorFrameSink() {}
+OffscreenCanvasCompositorFrameSink::~OffscreenCanvasCompositorFrameSink() {
+  provider_->OnCompositorFrameSinkClientDestroyed(support_.frame_sink_id());
+}
 
 void OffscreenCanvasCompositorFrameSink::SetNeedsBeginFrame(
     bool needs_begin_frame) {