Compare font-feature-settings as part of Font::operator==().

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

Index: third_party/WebKit/Source/platform/fonts/FontFeatureSettings.cpp
diff --git a/third_party/WebKit/Source/platform/fonts/FontFeatureSettings.cpp b/third_party/WebKit/Source/platform/fonts/FontFeatureSettings.cpp
index 78caa10b5ce50de3bafa6dec030c23463b63dd19..46bd9368825c85906d141a954d8d03ef183ad2b6 100644
--- a/third_party/WebKit/Source/platform/fonts/FontFeatureSettings.cpp
+++ b/third_party/WebKit/Source/platform/fonts/FontFeatureSettings.cpp
@@ -33,7 +33,7 @@ FontFeature::FontFeature(const AtomicString& tag, int value)
 {
 }
 
-bool FontFeature::operator==(const FontFeature& other)
+bool FontFeature::operator==(const FontFeature& other) const
 {
     return m_tag == other.m_tag && m_value == other.m_value;
 }
@@ -42,4 +42,9 @@ FontFeatureSettings::FontFeatureSettings()
 {
 }
 
+bool FontFeatureSettings::operator==(const FontFeatureSettings& other) const
+{
+    return m_list == other.m_list;
+}
+
 } // namespace blink