Make OffscreenCanvas Transferable

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

 // 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.
 
 #ifndef ScriptValueSerializer_h
 #define ScriptValueSerializer_h
 
 #include "bindings/core/v8/SerializationTag.h"
 #include "bindings/core/v8/SerializedScriptValue.h"
 #include "bindings/core/v8/V8Binding.h"
@@ skipping 125 matching lines @@
     void writeFileListIndex(const Vector<int>& blobIndices);
     void writeArrayBuffer(const DOMArrayBuffer&);
     void writeArrayBufferView(const DOMArrayBufferView&);
     void doWriteImageData(uint32_t width, uint32_t height, const uint8_t* pixelData, uint32_t pixelDataLength);
     void writeImageData(uint32_t width, uint32_t height, const uint8_t* pixelData, uint32_t pixelDataLength);
     void writeImageBitmap(uint32_t width, uint32_t height, const uint8_t* pixelData, uint32_t pixelDataLength);
     void writeRegExp(v8::Local<v8::String> pattern, v8::RegExp::Flags);
     void writeTransferredMessagePort(uint32_t index);
     void writeTransferredArrayBuffer(uint32_t index);
     void writeTransferredImageBitmap(uint32_t index);
+    virtual void writeTransferredOffscreenCanvas(uint32_t index, uint32_t width, uint32_t height, uint32_t id) { };
     void writeTransferredSharedArrayBuffer(uint32_t index);
     void writeObjectReference(uint32_t reference);
     void writeObject(uint32_t numProperties);
     void writeSparseArray(uint32_t numProperties, uint32_t length);
     void writeDenseArray(uint32_t numProperties, uint32_t length);
     String takeWireString();
     void writeReferenceCount(uint32_t numberOfReferences);
     void writeGenerateFreshObject();
     void writeGenerateFreshSparseArray(uint32_t length);
     void writeGenerateFreshDenseArray(uint32_t length);
@@ skipping 47 matching lines @@
 public:
     enum Status {
         Success,
         InputError,
         DataCloneError,
         JSException
     };
 
     enum TransferableType {
         TransferableArrayBufferType,
-        TransferableImageBitmapType
+        TransferableImageBitmapType,
+        TransferableOffscreenCanvasType
     };
 
     ScriptValueSerializer(SerializedScriptValueWriter&, MessagePortArray* messagePorts, TransferableArray*, WebBlobInfoArray*, BlobDataHandleMap& blobDataHandles, v8::TryCatch&, ScriptState*);
     v8::Isolate* isolate() { return m_scriptState->isolate(); }
     v8::Local<v8::Context> context() { return m_scriptState->context(); }
 
     Status serialize(v8::Local<v8::Value>);
     String errorMessage() { return m_errorMessage; }
 
 protected:
@@ skipping 236 matching lines @@
     ScriptValueCompositeCreator() { }
     virtual ~ScriptValueCompositeCreator() { }
 
     virtual bool consumeTopOfStack(v8::Local<v8::Value>*) = 0;
     virtual uint32_t objectReferenceCount() = 0;
     virtual void pushObjectReference(const v8::Local<v8::Value>&) = 0;
     virtual bool tryGetObjectFromObjectReference(uint32_t reference, v8::Local<v8::Value>*) = 0;
     virtual bool tryGetTransferredMessagePort(uint32_t index, v8::Local<v8::Value>*) = 0;
     virtual bool tryGetTransferredArrayBuffer(uint32_t index, v8::Local<v8::Value>*) = 0;
     virtual bool tryGetTransferredImageBitmap(uint32_t index, v8::Local<v8::Value>*) = 0;
+    virtual bool tryGetTransferredOffscreenCanvas(uint32_t index, uint32_t width, uint32_t height, uint32_t id, v8::Local<v8::Value>*) { return true; };
     virtual bool tryGetTransferredSharedArrayBuffer(uint32_t index, v8::Local<v8::Value>*) = 0;
     virtual bool newSparseArray(uint32_t length) = 0;
     virtual bool newDenseArray(uint32_t length) = 0;
     virtual bool newMap() = 0;
     virtual bool newSet() = 0;
     virtual bool newObject() = 0;
     virtual bool completeObject(uint32_t numProperties, v8::Local<v8::Value>*) = 0;
     virtual bool completeSparseArray(uint32_t numProperties, uint32_t length, v8::Local<v8::Value>*) = 0;
     virtual bool completeDenseArray(uint32_t numProperties, uint32_t length, v8::Local<v8::Value>*) = 0;
     virtual bool completeMap(uint32_t length, v8::Local<v8::Value>*) = 0;
@@ skipping 166 matching lines @@
     ArrayBufferContentsArray* m_arrayBufferContents;
     ImageBitmapContentsArray* m_imageBitmapContents;
     Vector<v8::Local<v8::Value>> m_arrayBuffers;
     Vector<v8::Local<v8::Value>> m_imageBitmaps;
     uint32_t m_version;
 };
 
 } // namespace blink
 
 #endif // ScriptValueSerializer_h