Optimize Complex Text Shaping and Caching

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 20 matching lines @@
 #include "platform/fonts/FontCache.h"
 
 #include "platform/FontFamilyNames.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/fonts/AlternateFontFamily.h"
 #include "platform/fonts/FontCacheClient.h"
 #include "platform/fonts/FontCacheKey.h"
 #include "platform/fonts/FontDataCache.h"
 #include "platform/fonts/FontDescription.h"
-#include "platform/fonts/FontFallbackList.h"
 #include "platform/fonts/FontPlatformData.h"
 #include "platform/fonts/FontSmoothingMode.h"
+#include "platform/fonts/SimpleFontData.h"
 #include "platform/fonts/TextRenderingMode.h"
 #include "platform/fonts/opentype/OpenTypeVerticalData.h"
 #include "wtf/HashMap.h"
 #include "wtf/ListHashSet.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/Vector.h"
 #include "wtf/text/AtomicStringHash.h"
 #include "wtf/text/StringHash.h"
 
 using namespace WTF;
@@ skipping 227 matching lines @@
         clients.append(*it);
 
     ASSERT(numClients == clients.size());
     for (size_t i = 0; i < numClients; ++i)
         clients[i]->fontCacheInvalidated();
 
     purge(ForcePurge);
 }
 
 } // namespace blink