fontSelector should be reset when removing stylesheets which has @font-face rule.

Source/core/css/CSSParser-in.cpp

Index: Source/core/css/CSSParser-in.cpp
diff --git a/Source/core/css/CSSParser-in.cpp b/Source/core/css/CSSParser-in.cpp
index 3b8b2a65075ceab7552b8ac4120a8d40e95e2835..c358df94b5df50c38373635f088d3205822e1eaa 100644
--- a/Source/core/css/CSSParser-in.cpp
+++ b/Source/core/css/CSSParser-in.cpp
@@ -11244,6 +11244,8 @@ StyleRuleBase* CSSParser::createFontFaceRule()
     StyleRuleFontFace* result = rule.get();
     m_parsedRules.append(rule.release());
     endRuleBody();
+    if (m_styleSheet)
+        m_styleSheet->setHasFontFaceRule(true);
     return result;
 }