Revert of Use removeFontFace to avoid resetting fontSelector.

Source/core/css/StyleSheetContents.h

Index: Source/core/css/StyleSheetContents.h
diff --git a/Source/core/css/StyleSheetContents.h b/Source/core/css/StyleSheetContents.h
index 0a7bde9ef230f833a01536ed15dff83ce21e8926..bc527eef394603bfc38e3c1c6f39f495959f4c4d 100644
--- a/Source/core/css/StyleSheetContents.h
+++ b/Source/core/css/StyleSheetContents.h
@@ -41,7 +41,6 @@
 class Node;
 class SecurityOrigin;
 class StyleRuleBase;
-class StyleRuleFontFace;
 class StyleRuleImport;
 
 class StyleSheetContents : public RefCounted<StyleSheetContents> {
@@ -93,7 +92,6 @@
 
     void setHasFontFaceRule(bool b) { m_hasFontFaceRule = b; }
     bool hasFontFaceRule() const { return m_hasFontFaceRule; }
-    void findFontFaceRules(Vector<const StyleRuleFontFace*>& fontFaceRules);
 
     void parserAddNamespace(const AtomicString& prefix, const AtomicString& uri);
     void parserAppendRule(PassRefPtr<StyleRuleBase>);
@@ -154,7 +152,6 @@
 private:
     StyleSheetContents(StyleRuleImport* ownerRule, const String& originalURL, const CSSParserContext&);
     StyleSheetContents(const StyleSheetContents&);
-    void notifyRemoveFontFaceRule(const StyleRuleFontFace*);
 
     void clearCharsetRule();