Make fID and MixedID calculations private

src/ports/SkFontHost_win.cpp

Index: src/ports/SkFontHost_win.cpp
diff --git a/src/ports/SkFontHost_win.cpp b/src/ports/SkFontHost_win.cpp
index a1d92fc21611a6ea4e34a4a93f4820c891f5fa4b..2cf5e9e50fb5b2321ef2adba330884569b7d4be4 100755
--- a/src/ports/SkFontHost_win.cpp
+++ b/src/ports/SkFontHost_win.cpp
@@ -1581,17 +1581,17 @@ DWORD SkScalerContext_GDI::getGDIGlyphPath(const SkGlyph& glyph, UINT flags,
 {
     GLYPHMETRICS gm;
 
-    DWORD total_size = GetGlyphOutlineW(fDDC, glyph.fID, flags, &gm, BUFFERSIZE, glyphbuf->get(), &fMat22);
+    DWORD total_size = GetGlyphOutlineW(fDDC, glyph.getGlyphID(), flags, &gm, BUFFERSIZE, glyphbuf->get(), &fMat22);
     // Sometimes GetGlyphOutlineW returns a number larger than BUFFERSIZE even if BUFFERSIZE > 0.
     // It has been verified that this does not involve a buffer overrun.
     if (GDI_ERROR == total_size || total_size > BUFFERSIZE) {
         // GDI_ERROR because the BUFFERSIZE was too small, or because the data was not accessible.
         // When the data is not accessable GetGlyphOutlineW fails rather quickly,
         // so just try to get the size. If that fails then ensure the data is accessible.
-        total_size = GetGlyphOutlineW(fDDC, glyph.fID, flags, &gm, 0, NULL, &fMat22);
+        total_size = GetGlyphOutlineW(fDDC, glyph.getGlyphID(), flags, &gm, 0, NULL, &fMat22);
         if (GDI_ERROR == total_size) {
             LogFontTypeface::EnsureAccessible(this->getTypeface());
-            total_size = GetGlyphOutlineW(fDDC, glyph.fID, flags, &gm, 0, NULL, &fMat22);
+            total_size = GetGlyphOutlineW(fDDC, glyph.getGlyphID(), flags, &gm, 0, NULL, &fMat22);
             if (GDI_ERROR == total_size) {
                 // GetGlyphOutlineW is known to fail for some characters, such as spaces.
                 // In these cases, just return that the glyph does not have a shape.
@@ -1601,10 +1601,10 @@ DWORD SkScalerContext_GDI::getGDIGlyphPath(const SkGlyph& glyph, UINT flags,
 
         glyphbuf->reset(total_size);
 
-        DWORD ret = GetGlyphOutlineW(fDDC, glyph.fID, flags, &gm, total_size, glyphbuf->get(), &fMat22);
+        DWORD ret = GetGlyphOutlineW(fDDC, glyph.getGlyphID(), flags, &gm, total_size, glyphbuf->get(), &fMat22);
         if (GDI_ERROR == ret) {
             LogFontTypeface::EnsureAccessible(this->getTypeface());
-            ret = GetGlyphOutlineW(fDDC, glyph.fID, flags, &gm, total_size, glyphbuf->get(), &fMat22);
+            ret = GetGlyphOutlineW(fDDC, glyph.getGlyphID(), flags, &gm, total_size, glyphbuf->get(), &fMat22);
             if (GDI_ERROR == ret) {
                 SkASSERT(false);
                 return 0;