Introduce typeface cache in blink::FontCache

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

 /*
  * Copyright (C) 2007 Apple Computer, Inc.
  * Copyright (c) 2007, 2008, 2009, Google Inc. All rights reserved.
  * Copyright (C) 2010 Company 100, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
@@ skipping 32 matching lines @@
 
 namespace blink {
 
 FontCustomPlatformData::FontCustomPlatformData(PassRefPtr<SkTypeface> typeface)
     : m_typeface(typeface) { }
 
 FontCustomPlatformData::~FontCustomPlatformData()
 {
 }
 
-FontPlatformData FontCustomPlatformData::fontPlatformData(float size, bool bold, bool italic, FontOrientation orientation)
+FontPlatformData FontCustomPlatformData::fontPlatformData(bool bold, bool italic, FontOrientation orientation)
 {
     ASSERT(m_typeface);
-    return FontPlatformData(m_typeface.get(), "", size, bold && !m_typeface->isBold(), italic && !m_typeface->isItalic(), orientation);
+    return FontPlatformData(m_typeface.get(), "", bold && !m_typeface->isBold(), italic && !m_typeface->isItalic(), orientation);
 }
 
 PassOwnPtr<FontCustomPlatformData> FontCustomPlatformData::create(SharedBuffer* buffer, String& otsParseMessage)
 {
     DCHECK(buffer);
 
     OpenTypeSanitizer sanitizer(buffer);
     RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
 
     if (!transcodeBuffer) {
@@ skipping 13 matching lines @@
 
     return adoptPtr(new FontCustomPlatformData(typeface.release()));
 }
 
 bool FontCustomPlatformData::supportsFormat(const String& format)
 {
     return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype") || OpenTypeSanitizer::supportsFormat(format);
 }
 
 } // namespace blink