SkPDF: Move utility fns to SkPDFUtils

src/pdf/SkPDFFont.cpp

Index: src/pdf/SkPDFFont.cpp
diff --git a/src/pdf/SkPDFFont.cpp b/src/pdf/SkPDFFont.cpp
index 567806f758d3f78605167da3d0259d78f9707e78..11cf0123378de9fbc944e6767a507ad23074016e 100644
--- a/src/pdf/SkPDFFont.cpp
+++ b/src/pdf/SkPDFFont.cpp
@@ -286,7 +286,7 @@ SkScalar scaleFromFontUnits(int16_t val, uint16_t emSize) {
 void setGlyphWidthAndBoundingBox(SkScalar width, SkIRect box,
                                  SkWStream* content) {
     // Specify width and bounding box for the glyph.
-    SkPDFScalar::Append(width, content);
+    SkPDFUtils::AppendScalar(width, content);
     content->writeText(" 0 ");
     content->writeDecAsText(box.fLeft);
     content->writeText(" ");