Implement CRC2D.scrollPathIntoView() on Canvas

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 c5b9efadd002a6999f58f16aa4f27baf7a0b752a..3566bcd4cc9e57db44413bb3897c355f04aebefa 100644
--- a/Source/core/html/canvas/CanvasRenderingContext2D.h
+++ b/Source/core/html/canvas/CanvasRenderingContext2D.h
@@ -164,6 +164,9 @@ public:
     bool isPointInStroke(const float x, const float y);
     bool isPointInStroke(Path2D*, const float x, const float y, ExceptionState&);
 
+    void scrollPathIntoView();
+    void scrollPathIntoView(Path2D*, ExceptionState&);
+
     void clearRect(float x, float y, float width, float height);
     void fillRect(float x, float y, float width, float height);
     void strokeRect(float x, float y, float width, float height);
@@ -304,6 +307,8 @@ private:
     bool isPointInPathInternal(const Path&, const float x, const float y, const String& windingRuleString);
     bool isPointInStrokeInternal(const Path&, const float x, const float y);
 
+    void scrollPathIntoViewInternal(const Path&);
+
     void drawTextInternal(const String& text, float x, float y, bool fill, float maxWidth = 0, bool useMaxWidth = false);
 
     const Font& accessFont();