Make fID and MixedID calculations private

src/core/SkGlyphCache.cpp

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkGlyphCache.h"
 #include "SkGlyphCache_Globals.h"
 #include "SkGraphics.h"
@@ skipping 296 matching lines @@
         if (glyph->fID < id) {
             hi += 1;
         }
     }
 
     // not found, but hi tells us where to inser the new glyph
     fMemoryUsed += sizeof(SkGlyph);
 
     glyph = (SkGlyph*)fGlyphAlloc.alloc(sizeof(SkGlyph),
                                         SkChunkAlloc::kThrow_AllocFailType);
-    glyph->init(id);
+    glyph->initCommon(id);
     *fGlyphArray.insert(hi) = glyph;
 
     if (kJustAdvance_MetricsType == mtype) {
         fScalerContext->getAdvance(glyph);
     } else {
         SkASSERT(kFull_MetricsType == mtype);
         fScalerContext->getMetrics(glyph);
     }
 
     return glyph;
@@ skipping 418 matching lines @@
     return tls ? tls->getCacheSizeLimit() : 0;
 }
 
 void SkGraphics::SetTLSFontCacheLimit(size_t bytes) {
     if (0 == bytes) {
         SkGlyphCache_Globals::DeleteTLS();
     } else {
         SkGlyphCache_Globals::GetTLS().setCacheSizeLimit(bytes);
     }
 }