add Method param to drawTextOnPath, supporting SVG spec

include/core/SkPicture.h

Index: include/core/SkPicture.h
diff --git a/include/core/SkPicture.h b/include/core/SkPicture.h
index 5b2f7a99f754c78e68aed7b52dfd000a708ec4a8..f185ed271eb2517dbad315c92f5b18a3da7f2b67 100644
--- a/include/core/SkPicture.h
+++ b/include/core/SkPicture.h
@@ -257,13 +257,14 @@ private:
     // V37: Added shadow only option to SkDropShadowImageFilter (last version to record CLEAR)
     // V38: Added PictureResolution option to SkPictureImageFilter
     // V39: Added FilterLevel option to SkPictureImageFilter
+    // V40: Added Method parameter to drawTextOnPath
 
     // Note: If the picture version needs to be increased then please follow the
     // steps to generate new SKPs in (only accessible to Googlers): http://goo.gl/qATVcw
 
     // Only SKPs within the min/current picture version range (inclusive) can be read.
     static const uint32_t MIN_PICTURE_VERSION = 35;     // Produced by Chrome M39.
-    static const uint32_t CURRENT_PICTURE_VERSION = 39;
+    static const uint32_t CURRENT_PICTURE_VERSION = 40;
 
     void createHeader(SkPictInfo* info) const;
     static bool IsValidPictInfo(const SkPictInfo& info);