Initial OpenType Font Variations Support

third_party/WebKit/Source/platform/fonts/opentype/FontSettings.h

Index: third_party/WebKit/Source/platform/fonts/opentype/FontSettings.h
diff --git a/third_party/WebKit/Source/platform/fonts/opentype/FontSettings.h b/third_party/WebKit/Source/platform/fonts/opentype/FontSettings.h
index d57d2eecfd8458f6426dcdec8524aedb42eacf79..a8b7e48ea932dc115c3fa09048c5486b7c19dbea 100644
--- a/third_party/WebKit/Source/platform/fonts/opentype/FontSettings.h
+++ b/third_party/WebKit/Source/platform/fonts/opentype/FontSettings.h
@@ -15,6 +15,8 @@
 
 namespace blink {
 
+uint32_t atomicStringToFourByteTag(AtomicString tag);
+
 template <typename T>
 class FontTagValuePair {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
@@ -51,7 +53,7 @@ class FontSettings {
   FontSettings(){};
 
  private:
-  Vector<T> m_list;
+  Vector<T, 0> m_list;
 };
 
 using FontFeature = FontTagValuePair<int>;
@@ -81,6 +83,8 @@ class PLATFORM_EXPORT FontVariationSettings
     return adoptRef(new FontVariationSettings());
   }
 
+  unsigned hash() const;
+
  private:
   FontVariationSettings() = default;
 };