| Index: third_party/WebKit/Source/modules/canvas/HTMLCanvasElementModule.cpp | 
| diff --git a/third_party/WebKit/Source/modules/canvas/HTMLCanvasElementModule.cpp b/third_party/WebKit/Source/modules/canvas/HTMLCanvasElementModule.cpp | 
| index 29baee4a7f7ad88d864b5d997bfea841915e91e3..5d444a088941ffe61fe8dfee51798f4a155c0ec3 100644 | 
| --- a/third_party/WebKit/Source/modules/canvas/HTMLCanvasElementModule.cpp | 
| +++ b/third_party/WebKit/Source/modules/canvas/HTMLCanvasElementModule.cpp | 
| @@ -75,7 +75,14 @@ OffscreenCanvas* HTMLCanvasElementModule::transferControlToOffscreenInternal( | 
| bridge->getSurfaceId().frame_sink_id().client_id(), | 
| bridge->getSurfaceId().frame_sink_id().sink_id(), | 
| bridge->getSurfaceId().local_frame_id().local_id(), | 
| -        bridge->getSurfaceId().local_frame_id().nonce()); | 
| +        bridge->getSurfaceId() | 
| +            .local_frame_id() | 
| +            .nonce() | 
| +            .GetHighForSerialization(), | 
| +        bridge->getSurfaceId() | 
| +            .local_frame_id() | 
| +            .nonce() | 
| +            .GetLowForSerialization()); | 
| } | 
| return offscreenCanvas; | 
| } | 
|  |