Add rendering context and rendering 2D context to OffscreenCanvas

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

 // 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.
 
 #ifndef BaseRenderingContext2D_h
 #define BaseRenderingContext2D_h
 
 #include "bindings/core/v8/UnionTypesCore.h"
 #include "bindings/modules/v8/UnionTypesModules.h"
-#include "core/html/canvas/CanvasRenderingContext.h"
 #include "modules/ModulesExport.h"
 #include "modules/canvas2d/CanvasGradient.h"
 #include "modules/canvas2d/CanvasPathMethods.h"
 #include "modules/canvas2d/CanvasRenderingContext2DState.h"
 #include "modules/canvas2d/CanvasStyle.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 
 namespace blink {
 
 class CanvasImageSource;
@@ skipping 262 matching lines @@
     foregroundPaint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
     c->setMatrix(ctm);
     drawFunc(c, &foregroundPaint);
     c->restore();
     c->setMatrix(ctm);
 }
 
 } // namespace blink
 
 #endif // BaseRenderingContext2D_h