Introduce typeface cache in blink::FontCache

third_party/WebKit/Source/platform/fonts/FontCache.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 86 matching lines @@
     }
 
     FontCacheKey key = fontDescription.cacheKey(creationParams);
     FontPlatformData* result;
     bool foundResult;
     {
         // addResult's scope must end before we recurse for alternate family names below,
         // to avoid trigering its dtor hash-changed asserts.
         auto addResult = gFontPlatformDataCache->add(key, nullptr);
         if (addResult.isNewEntry)
-            addResult.storedValue->value = createFontPlatformData(fontDescription, creationParams, fontDescription.effectiveFontSize());
+            addResult.storedValue->value = createFontPlatformData(fontDescription, creationParams);
 
         result = addResult.storedValue->value.get();
         foundResult = result || !addResult.isNewEntry;
     }
 
     if (!foundResult && !checkingAlternateName && creationParams.creationType() == CreateFontByFamily) {
         // We were unable to find a font. We have a small set of fonts that we alias to other names,
         // e.g., Arial/Helvetica, Courier/Courier New, etc. Try looking up the font under the aliased name.
         const AtomicString& alternateName = alternateFamilyName(creationParams.family());
         if (!alternateName.isEmpty()) {
@@ skipping 266 matching lines @@
     case USCRIPT_SIMPLIFIED_HAN:
         return "zh-Hans";
     case USCRIPT_TRADITIONAL_HAN:
         return "zh-Hant";
     default:
         return locale.ascii();
     }
 }
 
 } // namespace blink