Make the glyph array entries inline.

src/core/SkGlyphCache.h

Index: src/core/SkGlyphCache.h
diff --git a/src/core/SkGlyphCache.h b/src/core/SkGlyphCache.h
index b335d29d2d8a8acf2005213bd11bf7f27a82a4ca..9725bf4da08eadfa31492aa88a4353cbf9888e32 100644
--- a/src/core/SkGlyphCache.h
+++ b/src/core/SkGlyphCache.h
@@ -187,32 +187,38 @@ private:
         kFull_MetricsType
     };
 
-    SkGlyph* lookupMetrics(uint32_t id, MetricsType);
+    // Gets the glyph index given the sub-pixel postion glyph ID, and maintains the glyph cache.
+    SkGlyph* maintainGlyphCache(uint32_t id, MetricsType type);
+    SkGlyph* maintainCharCache(SkUnichar id, MetricsType type, SkFixed x = 0, SkFixed y = 0);
+    uint16_t lookupMetrics(uint32_t id, MetricsType);
     static bool DetachProc(const SkGlyphCache*, void*) { return true; }
 
-    SkGlyphCache*       fNext, *fPrev;
-    SkDescriptor*       fDesc;
-    SkScalerContext*    fScalerContext;
+    SkGlyphCache*        fNext, *fPrev;
+    SkDescriptor*        fDesc;
+    SkScalerContext*     fScalerContext;
     SkPaint::FontMetrics fFontMetrics;
 
     enum {
         kHashBits   = 8,
         kHashCount  = 1 << kHashBits,
-        kHashMask   = kHashCount - 1
+        kHashMask   = kHashCount - 1,
+        kInvalidGlyph = 0xFFFF
     };
-    SkGlyph*            fGlyphHash[kHashCount];
-    SkTDArray<SkGlyph*> fGlyphArray;
-    SkChunkAlloc        fGlyphAlloc;
+    
+    // A quick lookup to avoid the binary search looking for glyphs in fGlyphArray.
+    uint16_t             fGlyphHash[kHashCount];
+    SkTDArray<SkGlyph>   fGlyphArray;
+    SkChunkAlloc         fGlyphAlloc;
 
     struct CharGlyphRec {
         uint32_t    fID;    // unichar + subpixel
-        SkGlyph*    fGlyph;
+        uint16_t    fGlyphIndex;
     };
     // no reason to use the same kHashCount as fGlyphHash, but we do for now
     // Dynamically allocated when chars are encountered.
     SkAutoTArray<CharGlyphRec> fCharToGlyphHash;
-    
     CharGlyphRec* getCharGlyphRec(uint32_t id);
+    void adjustCaches(int16_t insertion_index);
 
     static inline unsigned ID2HashIndex(uint32_t h) {
         return SkChecksum::CheapMix(h) & kHashMask;