Make ImageBitmap Transferable

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

Index: third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
index 77658e791ca7533c423bbe245392c66d65752c7f..c0e96980fa3622dde9ad4350f3558749fa6b181e 100644
--- a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
+++ b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.h
@@ -48,6 +48,7 @@ namespace blink {
 class BlobDataHandle;
 class DOMArrayBufferBase;
 class ExceptionState;
+class ImageBitmap;
 class MessagePort;
 class WebBlobInfo;
 
@@ -55,6 +56,7 @@ typedef HeapVector<Member<MessagePort>, 1> MessagePortArray;
 typedef Vector<RefPtr<DOMArrayBufferBase>, 1> ArrayBufferArray;
 typedef HashMap<String, RefPtr<BlobDataHandle>> BlobDataHandleMap;
 typedef Vector<WebBlobInfo> WebBlobInfoArray;
+typedef WillBeHeapVector<RefPtrWillBeMember<ImageBitmap>, 1> ImageBitmapArray;
 
 class CORE_EXPORT SerializedScriptValue : public ThreadSafeRefCounted<SerializedScriptValue> {
 public:
@@ -89,7 +91,7 @@ public:
     // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3
     // of the HTML5 spec and generates exceptions as appropriate.
     // Returns true if the array was filled, or false if the passed value was not of an appropriate type.
-    static bool extractTransferables(v8::Isolate*, v8::Local<v8::Value>, int, MessagePortArray&, ArrayBufferArray&, ExceptionState&);
+    static bool extractTransferables(v8::Isolate*, v8::Local<v8::Value>, int, MessagePortArray&, ArrayBufferArray&, ImageBitmapArray&, ExceptionState&);
 
     // Informs the V8 about external memory allocated and owned by this object. Large values should contribute
     // to GC counters to eventually trigger a GC, otherwise flood of postMessage() can cause OOM.
@@ -115,13 +117,17 @@ private:
     String& data() { return m_data; }
     void setData(const String& data) { m_data = data; }
     void transferArrayBuffers(v8::Isolate*, ArrayBufferArray&, ExceptionState&);
+    void transferImageBitmaps(v8::Isolate*, ImageBitmapArray&, ExceptionState&);
     ArrayBufferContentsArray* arrayBufferContentsArray() { return m_arrayBufferContentsArray.get(); }
+    ImageBitmapArray* imageBitmapArray() { return m_imageBitmapsArray.get(); }
 
     static PassOwnPtr<ArrayBufferContentsArray> createArrayBuffers(v8::Isolate*, ArrayBufferArray&, ExceptionState&);
+    static PassOwnPtr<ImageBitmapArray> createImageBitmaps(v8::Isolate*, ImageBitmapArray&, ExceptionState&);
 
 private:
     String m_data;
     OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray;
+    OwnPtr<ImageBitmapArray> m_imageBitmapsArray;

[Justin Novosad, 2015/10/23 19:39:57]

Because SerializedScriptValue is ref counted (As opposed to garbage collected)
the guy should be OwnPtrWillBePersistent<ImageBitmapArray>.

     BlobDataHandleMap m_blobDataHandles;
     intptr_t m_externallyAllocatedMemory;