Streamline the presentation of ImageBitmapRenderingContext

third_party/WebKit/Source/core/paint/HTMLCanvasPainter.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 "core/paint/HTMLCanvasPainter.h"
 
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/canvas/CanvasRenderingContext.h"
 #include "core/layout/LayoutHTMLCanvas.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
 #include "core/paint/PaintInfo.h"
 #include "platform/geometry/LayoutPoint.h"
 #include "platform/graphics/paint/ForeignLayerDisplayItem.h"
 
 namespace blink {
 
 void HTMLCanvasPainter::paintReplaced(const PaintInfo& paintInfo,
                                       const LayoutPoint& paintOffset) {
   GraphicsContext& context = paintInfo.context;
 
   LayoutRect contentRect = m_layoutHTMLCanvas.contentBoxRect();
   contentRect.moveBy(paintOffset);
   LayoutRect paintRect = m_layoutHTMLCanvas.replacedContentRect();
   paintRect.moveBy(paintOffset);
 
   HTMLCanvasElement* canvas = toHTMLCanvasElement(m_layoutHTMLCanvas.node());
 
   if (RuntimeEnabledFeatures::slimmingPaintV2Enabled() &&
       canvas->renderingContext() &&
-      canvas->renderingContext()->isAccelerated()) {
+      canvas->renderingContext()->isComposited()) {
     if (WebLayer* layer = canvas->renderingContext()->platformLayer()) {
       IntRect pixelSnappedRect = pixelSnappedIntRect(contentRect);
       recordForeignLayer(context, m_layoutHTMLCanvas,
                          DisplayItem::kForeignLayerCanvas, layer,
                          pixelSnappedRect.location(), pixelSnappedRect.size());
       return;
     }
   }
 
   if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
@@ skipping 24 matching lines @@
       context.imageInterpolationQuality();
   context.setImageInterpolationQuality(interpolationQuality);
   canvas->paint(context, paintRect);
   context.setImageInterpolationQuality(previousInterpolationQuality);
 
   if (clip)
     context.restore();
 }
 
 }  // namespace blink