Make OffscreenCanvasRenderingContext2D renderable on a worker

third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.cpp

 // Copyright 2016 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 "modules/canvas2d/BaseRenderingContext2D.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/css/parser/CSSParser.h"
 #include "core/frame/ImageBitmap.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageData.h"
 #include "modules/canvas2d/CanvasGradient.h"
 #include "modules/canvas2d/CanvasPattern.h"
 #include "modules/canvas2d/CanvasStyle.h"
 #include "modules/canvas2d/Path2D.h"
 #include "platform/geometry/FloatQuad.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/ExpensiveCanvasHeuristicParameters.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/StrokeData.h"
+#include "platform/graphics/filters/FilterOperation.h"
 #include "platform/graphics/skia/SkiaUtils.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 
 namespace blink {
 
 BaseRenderingContext2D::BaseRenderingContext2D()
     : m_clipAntialiasing(NotAntiAliased)
 {
     m_stateStack.append(CanvasRenderingContext2DState::create());
 }
@@ skipping 1326 matching lines @@
 
     imageBuffer()->willOverwriteCanvas();
 }
 
 DEFINE_TRACE(BaseRenderingContext2D)
 {
     visitor->trace(m_stateStack);
 }
 
 } // namespace blink