add Method param to drawTextOnPath, supporting SVG spec

src/core/SkPictureRecord.h

Index: src/core/SkPictureRecord.h
diff --git a/src/core/SkPictureRecord.h b/src/core/SkPictureRecord.h
index 3ce0007a3cd2814b8e39c875edad92711e07f2c3..9f8f6ba8fad820996ab1ced2a6e98c1bc9557140 100644
--- a/src/core/SkPictureRecord.h
+++ b/src/core/SkPictureRecord.h
@@ -167,7 +167,8 @@ protected:
     virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
                                 SkScalar constY, const SkPaint&) SK_OVERRIDE;
     virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
-                                  const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
+                                  const SkMatrix* matrix,
+                                 SK_SUPPORT_LEGACY_DRAWTEXTONPATH_PARAM const SkPaint&) SK_OVERRIDE;
     virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
                                 const SkPaint& paint) SK_OVERRIDE;