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

Source/core/html/canvas/CanvasRenderingContext2D.h

Index: Source/core/html/canvas/CanvasRenderingContext2D.h
diff --git a/Source/core/html/canvas/CanvasRenderingContext2D.h b/Source/core/html/canvas/CanvasRenderingContext2D.h
index 8c57a66887e7a474f8b0e3fb54f20274d57d6068..f0acfb24c3f17c2af3fd6e6852234ee01ce4ed85 100644
--- a/Source/core/html/canvas/CanvasRenderingContext2D.h
+++ b/Source/core/html/canvas/CanvasRenderingContext2D.h
@@ -155,7 +155,9 @@ public:
     void clip(DOMPath*, const String& winding = "nonzero");
 
     bool isPointInPath(const float x, const float y, const String& winding = "nonzero");
+    bool isPointInPath(DOMPath*, const float x, const float y, const String& winding = "nonzero");
     bool isPointInStroke(const float x, const float y);
+    bool isPointInStroke(DOMPath*, const float x, const float y);
 
     void clearRect(float x, float y, float width, float height);
     void fillRect(float x, float y, float width, float height);
@@ -309,6 +311,9 @@ private:
     void strokeInternal(const Path&);
     void clipInternal(const Path&, const String& windingRuleString);
 
+    bool isPointInPathInternal(const Path&, const float x, const float y, const String& windingRuleString);
+    bool isPointInStrokeInternal(const Path&, const float x, const float y);
+
     void drawTextInternal(const String& text, float x, float y, bool fill, float maxWidth = 0, bool useMaxWidth = false);
 
     const Font& accessFont();