add Method param to drawTextOnPath, supporting SVG spec

tests/PictureTest.cpp

Index: tests/PictureTest.cpp
diff --git a/tests/PictureTest.cpp b/tests/PictureTest.cpp
index 33e058cc2e483fd5f185b501308f984172174990..7b9db8ecb2d9870e9b9b4570c34274dc21036d4b 100644
--- a/tests/PictureTest.cpp
+++ b/tests/PictureTest.cpp
@@ -466,6 +466,8 @@ static void test_savelayer_extraction(skiatest::Reporter* reporter) {
 
 static void test_has_text(skiatest::Reporter* reporter) {
     SkPictureRecorder recorder;
+    SkMatrix matrix;
+    SkCanvas::TextOnPathMethod method = SkCanvas::kStretch_TextOnPathMethod;
 
     SkCanvas* canvas = recorder.beginRecording(100,100);
     {
@@ -502,7 +504,8 @@ static void test_has_text(skiatest::Reporter* reporter) {
         path.moveTo(0, 0);
         path.lineTo(50, 50);
 
-        canvas->drawTextOnPathHV("Q", 1, path, point.fX, point.fY, SkPaint());
+        matrix.setTranslate(point.fX, point.fY);
+        canvas->drawTextOnPath("Q", 1, path, &matrix, method, SkPaint());
     }
     picture.reset(recorder.endRecording());
     REPORTER_ASSERT(reporter, picture->hasText());
@@ -513,7 +516,7 @@ static void test_has_text(skiatest::Reporter* reporter) {
         path.moveTo(0, 0);
         path.lineTo(50, 50);
 
-        canvas->drawTextOnPath("Q", 1, path, NULL, SkPaint());
+        canvas->drawTextOnPath("Q", 1, path, NULL, method, SkPaint());
     }
     picture.reset(recorder.endRecording());
     REPORTER_ASSERT(reporter, picture->hasText());