CanvasPathMethods should be shared with CRC2D and Path2D

Source/core/html/canvas/Path2D.idl

Index: Source/core/html/canvas/Path2D.idl
diff --git a/Source/core/html/canvas/Path2D.idl b/Source/core/html/canvas/Path2D.idl
index 624e4be3671f83a8eb2270538e143b2cee90272b..b67de6c8cff53721a25b460fd0882c475482be38 100644
--- a/Source/core/html/canvas/Path2D.idl
+++ b/Source/core/html/canvas/Path2D.idl
@@ -34,36 +34,6 @@
 ] interface Path2D {
 
     [RaisesException] void addPath(Path2D? path, SVGMatrix? transform);
-
-    // FIXME: These methods should be shared with CanvasRenderingContext2D in the CanvasPathMethods interface.
-    void closePath();
-    void moveTo([Default=Undefined] optional float x,

[eseidel, 2014/03/14 16:12:11]

So these are no longer optional after your change, correct?   Does that mean
they will throw exceptions?

[Justin Novosad, 2014/03/14 18:00:41]

Just to make sure you noticed: this interface is not shipping yet so we can
still make this change without breaking the web.

-                [Default=Undefined] optional float y);
-    void lineTo([Default=Undefined] optional float x,
-                [Default=Undefined] optional float y);
-    void quadraticCurveTo([Default=Undefined] optional float cpx,
-                          [Default=Undefined] optional float cpy,
-                          [Default=Undefined] optional float x,
-                          [Default=Undefined] optional float y);
-    void bezierCurveTo([Default=Undefined] optional float cp1x,
-                       [Default=Undefined] optional float cp1y,
-                       [Default=Undefined] optional float cp2x,
-                       [Default=Undefined] optional float cp2y,
-                       [Default=Undefined] optional float x,
-                       [Default=Undefined] optional float y);
-    [RaisesException] void arcTo([Default=Undefined] optional float x1,
-               [Default=Undefined] optional float y1,
-               [Default=Undefined] optional float x2,
-               [Default=Undefined] optional float y2,
-               [Default=Undefined] optional float radius);
-    void rect([Default=Undefined] optional float x,
-              [Default=Undefined] optional float y,
-              [Default=Undefined] optional float width,
-              [Default=Undefined] optional float height);
-    [RaisesException] void arc([Default=Undefined] optional float x,
-             [Default=Undefined] optional float y,
-             [Default=Undefined] optional float radius,
-             [Default=Undefined] optional float startAngle,
-             [Default=Undefined] optional float endAngle,
-             [Default=Undefined] optional boolean anticlockwise);
 };
+
+Path2D implements CanvasPathMethods;