Eagerly update the unichar to glyphID mapping.

src/core/SkGlyphCache.h

Index: src/core/SkGlyphCache.h
diff --git a/src/core/SkGlyphCache.h b/src/core/SkGlyphCache.h
index 2a96370045f8378b93f5ac4de318732677be2c72..84a32eb3ef0b7006d5b56fe9ba5c22777ea666b2 100644
--- a/src/core/SkGlyphCache.h
+++ b/src/core/SkGlyphCache.h
@@ -227,8 +227,7 @@ private:
     SkGlyph* lookupByChar(SkUnichar id, MetricsType type, SkFixed x = 0, SkFixed y = 0);
 
     // Return a new SkGlyph for the glyph ID and subpixel position id. Limit the amount
-    // of work
-    // using type.
+    // of work using type.
     SkGlyph* allocateNewGlyph(PackedGlyphID packedGlyphID, MetricsType type);
 
     static bool DetachProc(const SkGlyphCache*, void*) { return true; }
@@ -238,8 +237,6 @@ private:
 
     void invokeAndRemoveAuxProcs();
 
-    inline static SkGlyphCache* FindTail(SkGlyphCache* head);
-
     static void OffsetResults(const SkGlyph::Intercept* intercept, SkScalar scale,
                               SkScalar xPos, SkScalar* array, int* count);
     static void AddInterval(SkScalar val, SkGlyph::Intercept* intercept);