Add drawImage() originClean() getSecurityOrigin() to OffscreenCanvas

third_party/WebKit/Source/modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.idl

 // 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.
 
 // Note: The official spec is WIP at wiki.whatwg.org/wiki/OffscreenCanvas.
 
 [
     Exposed=(Window,Worker),
     RuntimeEnabled=ExperimentalCanvasFeatures,
 ] interface OffscreenCanvasRenderingContext2D {
     // back-reference to the canvas
     [ImplementedAs=getOffscreenCanvas] readonly attribute OffscreenCanvas offscreenCanvas;
 
     // colors and styles
     attribute (DOMString or CanvasGradient or CanvasPattern) strokeStyle; // (default black)
     attribute (DOMString or CanvasGradient or CanvasPattern) fillStyle; // (default black)
     CanvasGradient createLinearGradient(double x0, double y0, double x1, double y1);
     [RaisesException] CanvasGradient createRadialGradient(double x0, double y0, double r0, double x1, double y1, double r1);
-    [CallWith=ScriptState, RaisesException, Exposed=Worker] CanvasPattern? createPattern(CanvasImageSource image, [TreatNullAs=NullString] DOMString repetitionType);
+    [CallWith=ExecutionContext, RaisesException, Exposed=Worker] CanvasPattern? createPattern(CanvasImageSource image, [TreatNullAs=NullString] DOMString repetitionType);
 
     // CanvasRect interface
     void clearRect(unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
     void fillRect(unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
     void strokeRect(unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
 
     // Path API (See BaseRenderingContext2D)
     void beginPath();
     void fill(optional CanvasFillRule winding);
     void fill(Path2D path, optional CanvasFillRule winding);
     void stroke();
     void stroke(Path2D path);
 
+    // drawing images
+    // TODO(crbug.com/563856): Expose these API to Window with more layout tests
+    [CallWith=ExecutionContext, Exposed=Worker, RaisesException] void drawImage(CanvasImageSource image, unrestricted double x, unrestricted double y);
+    [CallWith=ExecutionContext, Exposed=Worker, RaisesException] void drawImage(CanvasImageSource image, unrestricted double x, unrestricted double y, unrestricted double width, unrestricted double height);
+    [CallWith=ExecutionContext, Exposed=Worker, RaisesException] void drawImage(CanvasImageSource image, unrestricted double sx, unrestricted double sy, unrestricted double sw, unrestricted double sh, unrestricted double dx, unrestricted double dy, unrestricted double dw, unrestricted double dh);
+
     // Line caps/joins
     attribute unrestricted double lineWidth; // (default 1)
     attribute DOMString lineCap; // "butt", "round", "square" (default "butt")
     attribute DOMString lineJoin; // "round", "bevel", "miter" (default "miter")
     attribute unrestricted double miterLimit; // (default 10)
 
     // dashed lines
     void setLineDash(sequence<unrestricted double> dash);
     sequence<unrestricted double> getLineDash();
     attribute unrestricted double lineDashOffset; 
@@ skipping 11 matching lines @@
     void resetTransform();
 
     // shadows
     attribute unrestricted double shadowOffsetX;
     attribute unrestricted double shadowOffsetY;
     attribute unrestricted double shadowBlur;
     attribute DOMString shadowColor;
 };
 
 OffscreenCanvasRenderingContext2D implements CanvasPathMethods;