Introduce typeface cache in blink::FontCache

third_party/WebKit/Source/core/fetch/FontResource.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile, Inc.
  *
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 116 matching lines @@
         if (m_fontData) {
             recordPackageFormatHistogram(packageFormatOf(m_data.get()));
         } else {
             setStatus(DecodeError);
             recordPackageFormatHistogram(PackageFormatUnknown);
         }
     }
     return m_fontData.get();
 }
 
-FontPlatformData FontResource::platformDataFromCustomData(float size, bool bold, bool italic, FontOrientation orientation)
+FontPlatformData FontResource::platformDataFromCustomData(bool bold, bool italic, FontOrientation orientation)
 {
     ASSERT(m_fontData);
-    return m_fontData->fontPlatformData(size, bold, italic, orientation);
+    return m_fontData->fontPlatformData(bold, italic, orientation);
 }
 
 bool FontResource::isSafeToUnlock() const
 {
     return m_data->hasOneRef();
 }
 
 void FontResource::fontLoadShortLimitCallback(Timer<FontResource>*)
 {
     if (!isLoading())
@@ skipping 24 matching lines @@
 
 void FontResource::checkNotify()
 {
     m_fontLoadShortLimitTimer.stop();
     m_fontLoadLongLimitTimer.stop();
 
     Resource::checkNotify();
 }
 
 } // namespace blink