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

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

Index: third_party/WebKit/Source/platform/fonts/FontCache.cpp
diff --git a/third_party/WebKit/Source/platform/fonts/FontCache.cpp b/third_party/WebKit/Source/platform/fonts/FontCache.cpp
index d5a4e3da6628a96b4d502c20ff72b24dc3bafb89..9208ac4499d472e7050295c73f450646bdf44527 100644
--- a/third_party/WebKit/Source/platform/fonts/FontCache.cpp
+++ b/third_party/WebKit/Source/platform/fonts/FontCache.cpp
@@ -172,7 +172,7 @@ FontPlatformData* FontCache::getFontPlatformData(
     foundResult = result || !addResult.isNewEntry;
   }
 
-  if (!foundResult && alternateFontName != AlternateFontName::NoAlternate &&
+  if (!foundResult && alternateFontName == AlternateFontName::AllowAlternate &&
       creationParams.creationType() == CreateFontByFamily) {
     // We were unable to find a font. We have a small set of fonts that we alias
     // to other names, e.g., Arial/Helvetica, Courier/Courier New, etc. Try
@@ -296,14 +296,23 @@ PassRefPtr<SimpleFontData> FontCache::fontDataFromFontPlatformData(
   return gFontDataCache->get(platformData, shouldRetain, subpixelAscentDescent);
 }
 
-bool FontCache::isPlatformFontAvailable(const FontDescription& fontDescription,
-                                        const AtomicString& family) {
+bool FontCache::isPlatformFamilyMatchAvailable(
+    const FontDescription& fontDescription,
+    const AtomicString& family) {
   return getFontPlatformData(
       fontDescription,
       FontFaceCreationParams(adjustFamilyNameToAvoidUnsupportedFonts(family)),
       AlternateFontName::NoAlternate);
 }
 
+bool FontCache::isPlatformFontUniqueNameMatchAvailable(
+    const FontDescription& fontDescription,
+    const AtomicString& uniqueFontName) {
+  return getFontPlatformData(fontDescription,
+                             FontFaceCreationParams(uniqueFontName),
+                             AlternateFontName::LocalUniqueFace);
+}
+
 String FontCache::firstAvailableOrFirst(const String& families) {
   // The conversions involve at least two string copies, and more if non-ASCII.
   // For now we prefer shared code over the cost because a) inputs are