Synchronize OffscreenCanvas content with the placeholder canvas

third_party/WebKit/Source/bindings/core/v8/serialization/V8ScriptValueDeserializer.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "bindings/core/v8/serialization/V8ScriptValueDeserializer.h"
 
 #include "bindings/core/v8/ToV8.h"
 #include "core/dom/CompositorProxy.h"
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/DOMSharedArrayBuffer.h"
@@ skipping 225 matching lines @@
     case OffscreenCanvasTransferTag: {
       uint32_t width = 0, height = 0, canvasId = 0, clientId = 0, sinkId = 0,
                localId = 0;
       uint64_t nonceHigh = 0, nonceLow = 0;
       if (!readUint32(&width) || !readUint32(&height) ||
           !readUint32(&canvasId) || !readUint32(&clientId) ||
           !readUint32(&sinkId) || !readUint32(&localId) ||
           !readUint64(&nonceHigh) || !readUint64(&nonceLow))
         return nullptr;
       OffscreenCanvas* canvas = OffscreenCanvas::create(width, height);
-      canvas->setAssociatedCanvasId(canvasId);
+      canvas->setPlaceholderCanvasId(canvasId);
       canvas->setSurfaceId(clientId, sinkId, localId, nonceHigh, nonceLow);
       return canvas;
     }
     default:
       break;
   }
   return nullptr;
 }
 
 File* V8ScriptValueDeserializer::readFile() {
@@ skipping 76 matching lines @@
                                      "Unable to deserialize cloned data.");
     return v8::MaybeLocal<v8::Object>();
   }
   v8::Local<v8::Object> creationContext = m_scriptState->context()->Global();
   v8::Local<v8::Value> wrapper = toV8(wrappable, creationContext, isolate);
   DCHECK(wrapper->IsObject());
   return wrapper.As<v8::Object>();
 }
 
 }  // namespace blink