Revamp OffscreenCanvas commit flow

third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp

Index: third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp
diff --git a/third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp b/third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp
index fa4679ac65ec3e2566f85d439e0e8ee886c30d42..4c3d4e0421fbbd2b85ca16d1ce435b634533a1ca 100644
--- a/third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp
+++ b/third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp
@@ -213,8 +213,8 @@ OffscreenCanvasFrameDispatcher* OffscreenCanvas::getOrCreateFrameDispatcher() {
     // (either main or worker) to the browser process and remains unchanged
     // throughout the lifetime of this OffscreenCanvas.
     m_frameDispatcher = WTF::wrapUnique(new OffscreenCanvasFrameDispatcherImpl(
-        m_clientId, m_sinkId, m_localId, m_nonceHigh, m_nonceLow,
-        m_placeholderCanvasId, m_size.width(), m_size.height()));
+        m_clientId, m_sinkId, m_placeholderCanvasId, m_size.width(),
+        m_size.height()));
   }
   return m_frameDispatcher.get();
 }