CanvasPathMethods should be shared with CRC2D and Path2D

Source/core/html/canvas/CanvasRenderingContext2D.idl

Index: Source/core/html/canvas/CanvasRenderingContext2D.idl
diff --git a/Source/core/html/canvas/CanvasRenderingContext2D.idl b/Source/core/html/canvas/CanvasRenderingContext2D.idl
index 28918178610b6798ec6c609fea3f88e7a2ef6564..b6b34f30bf89807abcaa0255fb84635051726ae7 100644
--- a/Source/core/html/canvas/CanvasRenderingContext2D.idl
+++ b/Source/core/html/canvas/CanvasRenderingContext2D.idl
@@ -67,17 +67,6 @@ interface CanvasRenderingContext2D {
 
     attribute Path2D currentPath;
 
-    // FIXME: These methods should be shared with CanvasRenderingContext2D in the CanvasPathMethods interface.
-    void closePath();
-    void moveTo(float x, float y);
-    void lineTo(float x, float y);
-    void quadraticCurveTo(float cpx, float cpy, float x, float y);
-    void bezierCurveTo(float cp1x, float cp1y, float cp2x, float cp2y, float x, float y);
-    [RaisesException] void arcTo(float x1, float y1, float x2, float y2, float radius);
-    void rect(float x, float y, float width, float height);
-    [RaisesException] void arc(float x, float y, float radius, float startAngle, float endAngle, [Default=Undefined] optional boolean anticlockwise);
-    [RaisesException] void ellipse(float x, float y, float radiusX, float radiusY, float rotation, float startAngle, float endAngle, [Default=Undefined] optional boolean anticlockwise);
-
     // FIXME: Simplify these using optional CanvasWindingRule once crbug.com/339000 gets fixed.
     void fill();
     [RuntimeEnabled=ExperimentalCanvasFeatures, RaisesException] void fill(Path2D? path);
@@ -190,3 +179,4 @@ interface CanvasRenderingContext2D {
     Canvas2DContextAttributes getContextAttributes();
 };
 
+CanvasRenderingContext2D implements CanvasPathMethods;