Synchronize OffscreenCanvas content with the placeholder canvas

third_party/WebKit/Source/bindings/core/v8/ScriptValueSerializer.cpp

 // Copyright 2014 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/ScriptValueSerializer.h"
 
 #include "bindings/core/v8/Transferables.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "bindings/core/v8/V8ArrayBufferView.h"
 #include "bindings/core/v8/V8Blob.h"
@@ skipping 1311 matching lines @@
   if (offscreenCanvas->isNeutered())
     return handleError(
         Status::DataCloneError,
         "An OffscreenCanvas is detached and could not be cloned.", next);
   if (offscreenCanvas->renderingContext())
     return handleError(Status::DataCloneError,
                        "An OffscreenCanvas with a context could not be cloned.",
                        next);
   m_writer.writeTransferredOffscreenCanvas(
       offscreenCanvas->width(), offscreenCanvas->height(),
-      offscreenCanvas->getAssociatedCanvasId(), offscreenCanvas->clientId(),
+      offscreenCanvas->placeholderCanvasId(), offscreenCanvas->clientId(),
       offscreenCanvas->sinkId(), offscreenCanvas->localId(),
       offscreenCanvas->nonceHigh(), offscreenCanvas->nonceLow());
   return nullptr;
 }
 
 ScriptValueSerializer::StateBase*
 ScriptValueSerializer::writeTransferredSharedArrayBuffer(
     v8::Local<v8::Value> value,
     uint32_t index,
     StateBase* next) {
@@ skipping 1250 matching lines @@
     uint32_t width,
     uint32_t height,
     uint32_t canvasId,
     uint32_t clientId,
     uint32_t sinkId,
     uint32_t localId,
     uint64_t nonceHigh,
     uint64_t nonceLow,
     v8::Local<v8::Value>* object) {
   OffscreenCanvas* offscreenCanvas = OffscreenCanvas::create(width, height);
-  offscreenCanvas->setAssociatedCanvasId(canvasId);
+  offscreenCanvas->setPlaceholderCanvasId(canvasId);
   offscreenCanvas->setSurfaceId(clientId, sinkId, localId, nonceHigh, nonceLow);
   *object = toV8(offscreenCanvas, m_reader.getScriptState());
   if ((*object).IsEmpty())
     return false;
   return true;
 }
 
 bool ScriptValueDeserializer::tryGetObjectFromObjectReference(
     uint32_t reference,
     v8::Local<v8::Value>* object) {
@@ skipping 66 matching lines @@
       m_openCompositeReferenceStack[m_openCompositeReferenceStack.size() - 1];
   m_openCompositeReferenceStack.shrink(m_openCompositeReferenceStack.size() -
                                        1);
   if (objectReference >= m_objectPool.size())
     return false;
   *object = m_objectPool[objectReference];
   return true;
 }
 
 }  // namespace blink