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