Fix synthetic bold/italic for webfonts on windows

Source/platform/fonts/skia/FontCustomPlatformDataSkia.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 38 matching lines @@
 {
 }
 
 FontCustomPlatformData::~FontCustomPlatformData()
 {
 }
 
 FontPlatformData FontCustomPlatformData::fontPlatformData(float size, bool bold, bool italic, FontOrientation orientation, FontWidthVariant)
 {
     ASSERT(m_typeface);
+#if OS(WIN)
+    // FIXME: Skia currently renders synthetic bold and italics with hinting and without
+    // linear metrics on windows. Using CreateFromName and specifying the bold/italics
+    // style allows for proper rendering of synthetic style. Once Skia has been updated
+    // this workaround will no longer be needed. crbug.com/332958
+    bool syntheticBold = bold && !m_typeface->isBold();
+    bool syntheticItalic = italic && !m_typeface->isItalic();
+    if (syntheticBold || syntheticItalic) {
+        SkString name;
+        m_typeface->getFamilyName(&name);
+
+        int style = SkTypeface::kNormal;
+        if (syntheticBold)
+            style |= SkTypeface::kBold;
+        if (syntheticItalic)
+            style |= SkTypeface::kItalic;
+
+        RefPtr<SkTypeface> typeface = adoptRef(SkTypeface::CreateFromName(name.c_str(), static_cast<SkTypeface::Style>(style)));
+        syntheticBold = false;
+        syntheticItalic = false;
+        return FontPlatformData(typeface.release(), "", size, syntheticBold, syntheticItalic, orientation);
+    }
+#endif
     return FontPlatformData(m_typeface.get(), "", size, bold && !m_typeface->isBold(), italic && !m_typeface->isItalic(), orientation);
 }
 
 PassOwnPtr<FontCustomPlatformData> FontCustomPlatformData::create(SharedBuffer* buffer)
 {
     ASSERT_ARG(buffer, buffer);
 
     OpenTypeSanitizer sanitizer(buffer);
     RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
     if (!transcodeBuffer)
@@ skipping 11 matching lines @@
 
     return adoptPtr(new FontCustomPlatformData(typeface.release()));
 }
 
 bool FontCustomPlatformData::supportsFormat(const String& format)
 {
     return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype") || OpenTypeSanitizer::supportsFormat(format);
 }
 
 }