Fixed expando-loss.html test.

third_party/WebKit/Source/modules/imagebitmap/ImageBitmapModuleTest.cpp

 // Copyright 2015 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 "config.h"
 #include "core/frame/ImageBitmap.h"
 
 #include "bindings/core/v8/UnionTypesCore.h"
 #include "core/dom/Document.h"
 #include "core/fetch/MemoryCache.h"
@@ skipping 30 matching lines @@
 {
     RefPtrWillBeRawPtr<HTMLCanvasElement> canvasElement = HTMLCanvasElement::create(*Document::create().get());
     canvasElement->setHeight(40);
     canvasElement->setWidth(40);
     RefPtrWillBeRawPtr<ImageBitmap> imageBitmapDerived = nullptr;
     {
         RefPtrWillBeRawPtr<ImageBitmap> imageBitmapFromCanvas = ImageBitmap::create(canvasElement.get(), IntRect(0, 0, canvasElement->width(), canvasElement->height()));
         imageBitmapDerived = ImageBitmap::create(imageBitmapFromCanvas.get(), IntRect(0, 0, 20, 20));
     }
     CanvasContextCreationAttributes attributes;
-    CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(canvasElement->getCanvasRenderingContext("2d", attributes));
+    CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(canvasElement->getCanvasRenderingContext(nullptr, "2d", attributes));
     TrackExceptionState exceptionState;
     CanvasImageSourceUnion imageSource;
     imageSource.setImageBitmap(imageBitmapDerived);
     context->drawImage(imageSource, 0, 0, exceptionState);
 }
 
 } // namespace