| Index: third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp | 
| diff --git a/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp b/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp | 
| index 970e6a6f35b3090e2c69ff0de021474c53bf8a36..d67604b2f665232225d78d3d86a44a7143efe422 100644 | 
| --- a/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp | 
| +++ b/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp | 
| @@ -28,11 +28,15 @@ OffscreenCanvasFrameDispatcherImpl::OffscreenCanvasFrameDispatcherImpl( | 
| uint32_t clientId, | 
| uint32_t sinkId, | 
| uint32_t localId, | 
| -    uint64_t nonce, | 
| +    uint64_t nonceHigh, | 
| +    uint64_t nonceLow, | 
| int width, | 
| int height) | 
| -    : m_surfaceId(cc::FrameSinkId(clientId, sinkId), | 
| -                  cc::LocalFrameId(localId, nonce)), | 
| +    : m_surfaceId( | 
| +          cc::FrameSinkId(clientId, sinkId), | 
| +          cc::LocalFrameId( | 
| +              localId, | 
| +              base::UnguessableToken::Deserialize(nonceHigh, nonceLow))), | 
| m_width(width), | 
| m_height(height), | 
| m_nextResourceId(1u), | 
|  |