Revert of Add FontCache API for retrieving prioritized fallback fonts

third_party/WebKit/Source/platform/fonts/mac/FontCacheMac.mm

Index: third_party/WebKit/Source/platform/fonts/mac/FontCacheMac.mm
diff --git a/third_party/WebKit/Source/platform/fonts/mac/FontCacheMac.mm b/third_party/WebKit/Source/platform/fonts/mac/FontCacheMac.mm
index 629b7eb5898546dfbd79361cc4096463330f4658..0ea373417959f4aa4d374ba9457769928ce2d893 100644
--- a/third_party/WebKit/Source/platform/fonts/mac/FontCacheMac.mm
+++ b/third_party/WebKit/Source/platform/fonts/mac/FontCacheMac.mm
@@ -53,15 +53,6 @@
 
 namespace blink {
 
-// Unfortunately, these chosen font names require a bit of experimentation and
-// researching on the respective platforms as to what works best and is widely
-// available. They may require further tuning after OS updates. Mozilla's
-// choices in the gfxPlatformMac::GetCommonFallbackFonts method collects some of
-// the outcome of this experimentation.
-const char* kColorEmojiFontsMac[] = { "Apple Color Emoji" };
-const char* kTextEmojiFontsMac[] = { "Hiragino Kaku Gothic ProN", "Zapf Dingbats", "Apple Symbols" };
-const char* kSymbolsAndMathFontsMac[] = { "Menlo", "Arial Unicode MS" };
-
 static void invalidateFontCache()
 {
     if (!isMainThread()) {
@@ -225,27 +216,4 @@
     return platformData.release();
 }
 
-const Vector<AtomicString> FontCache::platformFontListForFallbackPriority(FontFallbackPriority fallbackPriority) const
-{
-    Vector<AtomicString> returnVector;
-    switch (fallbackPriority) {
-    case FontFallbackPriority::EmojiEmoji:
-        for (size_t i = 0; i < WTF_ARRAY_LENGTH(kColorEmojiFontsMac); ++i)
-            returnVector.append(kColorEmojiFontsMac[i]);
-        break;
-    case FontFallbackPriority::EmojiText:
-        for (size_t i = 0; i < WTF_ARRAY_LENGTH(kTextEmojiFontsMac); ++i)
-            returnVector.append(kTextEmojiFontsMac[i]);
-        break;
-    case FontFallbackPriority::Math:
-    case FontFallbackPriority::Symbols:
-        for (size_t i = 0; i < WTF_ARRAY_LENGTH(kSymbolsAndMathFontsMac); ++i)
-            returnVector.append(kSymbolsAndMathFontsMac[i]);
-        break;
-    default:
-        ASSERT_NOT_REACHED();
-    }
-    return returnVector;
-}
-
 } // namespace blink