Clean up the GrTHashTable API.

src/gpu/GrTextStrike_impl.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
 #ifndef GrTextStrike_impl_DEFINED
 #define GrTextStrike_impl_DEFINED
 
 class GrFontCache::Key {
 public:
-    Key(GrFontScaler* scaler) {
-        fFontScalerKey = scaler->getKey();
+    explicit Key(const GrKey* fontScalarKey) {
+        fFontScalerKey = fontScalarKey;
     }
 
     intptr_t getHash() const { return fFontScalerKey->getHash(); }
 
     static bool LT(const GrTextStrike& strike, const Key& key) {
         return *strike.getFontScalerKey() < *key.fFontScalerKey;
     }
     static bool EQ(const GrTextStrike& strike, const Key& key) {
         return *strike.getFontScalerKey() == *key.fFontScalerKey;
     }
@@ skipping 16 matching lines @@
         strike->fNext->fPrev = strike->fPrev;
     } else {
         SkASSERT(fTail == strike);
         fTail = strike->fPrev;
     }
 }
 
 GrTextStrike* GrFontCache::getStrike(GrFontScaler* scaler) {
     this->validate();
 
-    Key key(scaler);
+    const Key key(scaler->getKey());
     GrTextStrike* strike = fCache.find(key);
     if (NULL == strike) {
         strike = this->generateStrike(scaler, key);
     } else if (strike->fPrev) {
         // Need to put the strike at the head of its dllist, since that is how
         // we age the strikes for purging (we purge from the back of the list
         this->detachStrikeFromList(strike);
         // attach at the head
         fHead->fPrev = strike;
         strike->fNext = fHead;
@@ skipping 31 matching lines @@
 GrGlyph* GrTextStrike::getGlyph(GrGlyph::PackedID packed,
                                 GrFontScaler* scaler) {
     GrGlyph* glyph = fCache.find(packed);
     if (NULL == glyph) {
         glyph = this->generateGlyph(packed, scaler);
     }
     return glyph;
 }
 
 #endif