Add createGradient and createPattern to OffscreenCanvas2D in worker

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 "modules/ModulesExport.h"
@@ skipping 95 matching lines @@
     void fillRect(double x, double y, double width, double height);
     void strokeRect(double x, double y, double width, double height);
 
     void drawImage(const CanvasImageSourceUnion&, double x, double y, ExceptionState&);
     void drawImage(const CanvasImageSourceUnion&, double x, double y, double width, double height, ExceptionState&);
     void drawImage(const CanvasImageSourceUnion&, double sx, double sy, double sw, double sh, double dx, double dy, double dw, double dh, ExceptionState&);
     void drawImage(CanvasImageSource*, double sx, double sy, double sw, double sh, double dx, double dy, double dw, double dh, ExceptionState&);
 
     CanvasGradient* createLinearGradient(double x0, double y0, double x1, double y1);
     CanvasGradient* createRadialGradient(double x0, double y0, double r0, double x1, double y1, double r1, ExceptionState&);
-    CanvasPattern* createPattern(const CanvasImageSourceUnion&, const String& repetitionType, ExceptionState&);
+    CanvasPattern* createPattern(ScriptState*, const CanvasImageSourceUnion&, const String& repetitionType, ExceptionState&);
 
     ImageData* createImageData(ImageData*, ExceptionState&) const;
     ImageData* createImageData(double width, double height, ExceptionState&) const;
     ImageData* getImageData(double sx, double sy, double sw, double sh, ExceptionState&) const;
     void putImageData(ImageData*, double dx, double dy, ExceptionState&);
     void putImageData(ImageData*, double dx, double dy, double dirtyX, double dirtyY, double dirtyWidth, double dirtyHeight, ExceptionState&);
 
     bool imageSmoothingEnabled() const;
     void setImageSmoothingEnabled(bool);
     String imageSmoothingQuality() const;
     void setImageSmoothingQuality(const String&);
 
     virtual bool originClean() const = 0;
     virtual void setOriginTainted() = 0;
-    virtual bool wouldTaintOrigin(CanvasImageSource*) = 0;
+    virtual bool wouldTaintOrigin(CanvasImageSource*, ScriptState*) = 0;
 
     virtual int width() const = 0;
     virtual int height() const = 0;
 
     virtual bool hasImageBuffer() const = 0;
     virtual ImageBuffer* imageBuffer() const = 0;
 
     virtual bool parseColorOrCurrentColor(Color&, const String& colorString) const = 0;
 
     virtual SkCanvas* drawingCanvas() const = 0;
@@ skipping 141 matching lines @@
     foregroundPaint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
     c->setMatrix(ctm);
     drawFunc(c, &foregroundPaint);
     c->restore();
     c->setMatrix(ctm);
 }
 
 } // namespace blink
 
 #endif // BaseRenderingContext2D_h