DevTools: Add CSS.getPlatformFontsForNode in protocol.json

Source/core/platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp

 /*
  * Copyright (c) 2006, 2007, 2008, Google Inc. All rights reserved.
  *
  * 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
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 193 matching lines @@
     paint->setTypeface(m_typeface.get());
     paint->setFakeBoldText(m_fakeBold);
     paint->setTextSkewX(m_fakeItalic ? -SK_Scalar1 / 4 : 0);
 }
 
 SkFontID FontPlatformData::uniqueID() const
 {
     return m_typeface->uniqueID();
 }
 
+String FontPlatformData::fontFamilyName() const
+{
+    SkTypeface::LocalizedStrings* fontFamilyIterator = this->typeface()->createFamilyNameIterator();
+    SkTypeface::LocalizedString localizedString;
+    while (fontFamilyIterator->next(&localizedString) && !localizedString.fString.size()) { }
+    fontFamilyIterator->unref();
+    return String(localizedString.fString.c_str());
+}
+
 bool FontPlatformData::operator==(const FontPlatformData& a) const
 {
     // If either of the typeface pointers are null then we test for pointer
     // equality. Otherwise, we call SkTypeface::Equal on the valid pointers.
     bool typefacesEqual;
     if (!m_typeface || !a.m_typeface)
         typefacesEqual = m_typeface == a.m_typeface;
     else
         typefacesEqual = SkTypeface::Equal(m_typeface.get(), a.m_typeface.get());
 
@@ skipping 72 matching lines @@
         m_style.useAutoHint = useSkiaAutoHint;
     if (m_style.useSubpixelPositioning == FontRenderStyle::NoPreference)
         m_style.useSubpixelPositioning = useSkiaSubpixelPositioning;
     if (m_style.useAntiAlias == FontRenderStyle::NoPreference)
         m_style.useAntiAlias = useSkiaAntiAlias;
     if (m_style.useSubpixelRendering == FontRenderStyle::NoPreference)
         m_style.useSubpixelRendering = useSkiaSubpixelRendering;
 }
 
 } // namespace WebCore