Add versions of isPointIn*() that take a Path parameter.

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 c46a82b1fc97c93490980949988f39223539c1e9..ba5971c1efe3acdbc0a82d76b1df107688cf1bc2 100644
--- a/Source/core/html/canvas/CanvasRenderingContext2D.idl
+++ b/Source/core/html/canvas/CanvasRenderingContext2D.idl
@@ -88,7 +88,15 @@ interface CanvasRenderingContext2D : CanvasRenderingContext {
     [RuntimeEnabled=ExperimentalCanvasFeatures] void clip(Path path);
     void clip(CanvasWindingRule winding);
     [RuntimeEnabled=ExperimentalCanvasFeatures] void clip(Path path, CanvasWindingRule winding);
-    boolean isPointInPath(float x, float y, optional CanvasWindingRule winding);
+
+    // FIXME: Simplify these using optional CanvasWindingRule once crbug.com/339000 gets fixed.
+    [RuntimeEnabled=ExperimentalCanvasFeatures] boolean isPointInPath(Path path, float x, float y);
+    [RuntimeEnabled=ExperimentalCanvasFeatures] boolean isPointInPath(Path path, float x, float y, CanvasWindingRule winding);
+    boolean isPointInPath(float x, float y);
+    boolean isPointInPath(float x, float y, CanvasWindingRule winding);
+
+    // FIXME: Simplify these using optional CanvasWindingRule once crbug.com/339000 gets fixed.
+    [RuntimeEnabled=ExperimentalCanvasFeatures] boolean isPointInStroke(Path path, float x, float y);
     boolean isPointInStroke(float x, float y);
 
     // text