Revert of SkPDF: unify drawText and drawPosText

src/pdf/SkPDFFont.h

Index: src/pdf/SkPDFFont.h
diff --git a/src/pdf/SkPDFFont.h b/src/pdf/SkPDFFont.h
index c2e34e44e44ab2af6eacd141bf96ab3b539b2b31..acf9bf87ee453606c0e246bdfd7569a35a5aac61 100644
--- a/src/pdf/SkPDFFont.h
+++ b/src/pdf/SkPDFFont.h
@@ -106,12 +106,7 @@
      *  @param numGlyphs      The number of input glyphs.
      *  @return               Returns the number of glyphs consumed.
      */
-    int glyphsToPDFFontEncoding(SkGlyphID* glyphIDs, int numGlyphs) const;
-    /**
-     * Like above, but does not modify glyphIDs array.
-     */
-    int glyphsToPDFFontEncodingCount(const SkGlyphID* glyphIDs,
-                                     int numGlyphs) const;
+    int glyphsToPDFFontEncoding(uint16_t* glyphIDs, int numGlyphs);
 
     /** Get the font resource for the passed typeface and glyphID. The
      *  reference count of the object is incremented and it is the caller's