Use compositor_frame typemap in Blink

third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom

Index: third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom
diff --git a/third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom b/third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom
index 20ab4bc29405ecdae80fb5c5518d0db8d739872f..e0a19625fa57d5c8a9e9da6cb06105f7ec2e2cd2 100644
--- a/third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom
+++ b/third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom
@@ -4,6 +4,7 @@
 
 module blink.mojom;
 
+import "cc/ipc/compositor_frame.mojom";
 import "cc/ipc/surface_id.mojom";
 import "cc/ipc/surface_sequence.mojom";
 
@@ -17,6 +18,9 @@ interface OffscreenCanvasSurface {
 
   Require(cc.mojom.SurfaceId surface_id, cc.mojom.SurfaceSequence sequence);
   Satisfy(cc.mojom.SurfaceSequence sequence);
-};
 
+  // TODO(563852): Move this function to be in an interface shared by both
+  // worker thread and main thread.
+  SubmitCompositorFrame(cc.mojom.CompositorFrame compositor_frame);
+};