add Method param to drawTextOnPath, supporting SVG spec

src/core/SkBitmapDevice.cpp

Index: src/core/SkBitmapDevice.cpp
diff --git a/src/core/SkBitmapDevice.cpp b/src/core/SkBitmapDevice.cpp
index 1f17e6fac12d30212f62819c75cd6fa47b6986ea..e765588168de3c421b3fcdf56d8d000c85a591e2 100644
--- a/src/core/SkBitmapDevice.cpp
+++ b/src/core/SkBitmapDevice.cpp
@@ -331,9 +331,10 @@ void SkBitmapDevice::drawPosText(const SkDraw& draw, const void* text, size_t le
 
 void SkBitmapDevice::drawTextOnPath(const SkDraw& draw, const void* text,
                                     size_t len, const SkPath& path,
-                                    const SkMatrix* matrix,
+                                    const SkMatrix* matrix, SK_SUPPORT_LEGACY_DRAWTEXTONPATH_PARAM
                                     const SkPaint& paint) {
-    draw.drawTextOnPath((const char*)text, len, path, matrix, paint);
+    SK_SUPPORT_LEGACY_DRAWTEXTONPATH_DEFAULT_METHOD
+    draw.drawTextOnPath((const char*)text, len, path, matrix, method, paint);
 }
 
 void SkBitmapDevice::drawVertices(const SkDraw& draw, SkCanvas::VertexMode vmode,