add Method param to drawTextOnPath, supporting SVG spec

src/pdf/SkPDFDevice.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPDFDevice.h"
 
 #include "SkAnnotation.h"
@@ skipping 1178 matching lines @@
         SkString encodedString =
             SkPDFString::FormatString(&encodedValue, 1, font->multiByteGlyphs());
         content.entry()->fContent.writeText(encodedString.c_str());
         content.entry()->fContent.writeText(" Tj\n");
     }
     content.entry()->fContent.writeText("ET\n");
 }
 
 void SkPDFDevice::drawTextOnPath(const SkDraw& d, const void* text, size_t len,
                                  const SkPath& path, const SkMatrix* matrix,
-                                 const SkPaint& paint) {
+                                 SK_SUPPORT_LEGACY_DRAWTEXTONPATH_PARAM const SkPaint& paint) {
     if (d.fClip->isEmpty()) {
         return;
     }
-    d.drawTextOnPath((const char*)text, len, path, matrix, paint);
+    SK_SUPPORT_LEGACY_DRAWTEXTONPATH_DEFAULT_METHOD
+    d.drawTextOnPath((const char*)text, len, path, matrix, method, paint);
 }
 
 void SkPDFDevice::drawVertices(const SkDraw& d, SkCanvas::VertexMode,
                                int vertexCount, const SkPoint verts[],
                                const SkPoint texs[], const SkColor colors[],
                                SkXfermode* xmode, const uint16_t indices[],
                                int indexCount, const SkPaint& paint) {
     if (d.fClip->isEmpty()) {
         return;
     }
@@ skipping 975 matching lines @@
     SkAutoTUnref<SkPDFObject> image(
             SkPDFCreateImageObject(*bitmap, subset, fEncoder));
     if (!image) {
         return;
     }
 
     SkPDFUtils::DrawFormXObject(this->addXObjectResource(image.get()),
                                 &content.entry()->fContent);
 }