Removing the dependency on GraphicsContext for drawing images in 2D canvas

Source/core/frame/ImageBitmap.cpp

 // Copyright 2013 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 "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageData.h"
@@ skipping 66 matching lines @@
         DisplayItemListContextRecorder contextRecorder(*buffer->context());
         GraphicsContext& paintContext = contextRecorder.context();
 
         DrawingRecorder recorder(paintContext, *buffer, DisplayItem::VideoBitmap, videoRect);
         if (!recorder.canUseCachedDrawing()) {
             paintContext.clip(dstRect);
             paintContext.translate(-srcRect.x(), -srcRect.y());
         }
     }
 
-    video->paintCurrentFrameInContext(buffer->context(), videoRect);
+    video->paintCurrentFrame(buffer->canvas(), videoRect, nullptr);
     m_bitmap = buffer->copyImage(DontCopyBackingStore);
     m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cropRect.y())), srcRect.size());
 }
 
 ImageBitmap::ImageBitmap(HTMLCanvasElement* canvas, const IntRect& cropRect)
     : m_imageElement(nullptr)
     , m_cropRect(cropRect)
     , m_bitmapOffset(IntPoint())
 {
     IntRect srcRect = intersection(cropRect, IntRect(IntPoint(), canvas->size()));
@@ skipping 130 matching lines @@
     return FloatSize(width(), height());
 }
 
 DEFINE_TRACE(ImageBitmap)
 {
     visitor->trace(m_imageElement);
     ImageLoaderClient::trace(visitor);
 }
 
 } // namespace blink