Fix matching Roboto Bold for src: local("Roboto Regular")

third_party/WebKit/Source/core/css/LocalFontFaceSource.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/LocalFontFaceSource.h"
 
 #include "platform/Histogram.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/fonts/FontDescription.h"
 #include "platform/fonts/SimpleFontData.h"
 
 namespace blink {
 
 bool LocalFontFaceSource::isLocalFontAvailable(
     const FontDescription& fontDescription) {
-  return FontCache::fontCache()->isPlatformFontAvailable(fontDescription,
-                                                         m_fontName);
+  return FontCache::fontCache()->isPlatformFontUniqueNameMatchAvailable(
+      fontDescription, m_fontName);
 }
 
 PassRefPtr<SimpleFontData> LocalFontFaceSource::createFontData(
     const FontDescription& fontDescription) {
-  // We don't want to check alternate font family names here, so pass true as
-  // the checkingAlternateName parameter.
   RefPtr<SimpleFontData> fontData = FontCache::fontCache()->getFontData(
-      fontDescription, m_fontName, AlternateFontName::NoAlternate);
+      fontDescription, m_fontName, AlternateFontName::LocalUniqueFace);
   m_histograms.record(fontData.get());
   return fontData.release();
 }
 
 void LocalFontFaceSource::LocalFontHistograms::record(bool loadSuccess) {
   if (m_reported)
     return;
   m_reported = true;
   DEFINE_STATIC_LOCAL(EnumerationHistogram, localFontUsedHistogram,
                       ("WebFont.LocalFontUsed", 2));
   localFontUsedHistogram.count(loadSuccess ? 1 : 0);
 }
 
 }  // namespace blink