Using Enum in place of bool for better code readability

Source/core/css/CSSComputedStyleDeclaration.h

Index: Source/core/css/CSSComputedStyleDeclaration.h
diff --git a/Source/core/css/CSSComputedStyleDeclaration.h b/Source/core/css/CSSComputedStyleDeclaration.h
index d60072ab91a41308859140227de8f1db9f907f1b..8a34864e4a68ff50eb2a06e8aa82957e3e4ede8b 100644
--- a/Source/core/css/CSSComputedStyleDeclaration.h
+++ b/Source/core/css/CSSComputedStyleDeclaration.h
@@ -23,6 +23,7 @@
 
 #include "core/css/CSSStyleDeclaration.h"
 #include "core/rendering/style/RenderStyleConstants.h"
+#include "platform/fonts/FixedPitchFontType.h"
 #include "wtf/HashMap.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/AtomicString.h"
@@ -67,7 +68,7 @@ public:
 
     PassRefPtrWillBeRawPtr<CSSValue> getPropertyCSSValue(CSSPropertyID, EUpdateLayout = UpdateLayout) const;
     PassRefPtrWillBeRawPtr<CSSValue> getFontSizeCSSValuePreferringKeyword() const;
-    bool useFixedFontDefaultSize() const;
+    FixedPitchFontType fixedPitchFontType() const;
     PassRefPtrWillBeRawPtr<CSSValue> getSVGPropertyCSSValue(CSSPropertyID, EUpdateLayout) const;
 
     PassRefPtrWillBeRawPtr<MutableStylePropertySet> copyPropertiesInSet(const Vector<CSSPropertyID>&) const;