DisplayCompositor should enforce invariant that frame size and device scale factor are fixed

cc/surfaces/surface_factory_client.h

Index: cc/surfaces/surface_factory_client.h
diff --git a/cc/surfaces/surface_factory_client.h b/cc/surfaces/surface_factory_client.h
index ea32344afcd0922ead3f79f948553c264b8b636e..e9a392df71fe34bfaa8d11daff4eba37dbcf2c44 100644
--- a/cc/surfaces/surface_factory_client.h
+++ b/cc/surfaces/surface_factory_client.h
@@ -31,6 +31,8 @@ class CC_SURFACES_EXPORT SurfaceFactoryClient {
 
   // This allows the SurfaceFactory to pass a BeginFrameSource to use.
   virtual void SetBeginFrameSource(BeginFrameSource* begin_frame_source) = 0;
+
+  virtual void OnBadFrameReceived() {}
 };
 
 }  // namespace cc