[SVG] SVGAnimatedBoolean migration to new SVG property impl.

Source/core/svg/SVGAnimatedType.h

Index: Source/core/svg/SVGAnimatedType.h
diff --git a/Source/core/svg/SVGAnimatedType.h b/Source/core/svg/SVGAnimatedType.h
index 82553553a6e01a729ad077f7c24db294bc0d67af..059e336f56358a3ff004087226d4aa2093633d81 100644
--- a/Source/core/svg/SVGAnimatedType.h
+++ b/Source/core/svg/SVGAnimatedType.h
@@ -40,7 +40,6 @@ public:
     ~SVGAnimatedType();
 
     static PassOwnPtr<SVGAnimatedType> createAngleAndEnumeration(std::pair<SVGAngle, unsigned>*);
-    static PassOwnPtr<SVGAnimatedType> createBoolean(bool*);
     static PassOwnPtr<SVGAnimatedType> createColor(Color*);
     static PassOwnPtr<SVGAnimatedType> createEnumeration(unsigned*);
     static PassOwnPtr<SVGAnimatedType> createInteger(int*);
@@ -66,12 +65,6 @@ public:
         return *m_data.angleAndEnumeration;
     }
 
-    bool& boolean()
-    {
-        ASSERT(m_type == AnimatedBoolean);
-        return *m_data.boolean;
-    }
-
     Color& color()
     {
         ASSERT(m_type == AnimatedColor);
@@ -170,7 +163,6 @@ private:
         }
 
         std::pair<SVGAngle, unsigned>* angleAndEnumeration;
-        bool* boolean;
         Color* color;
         unsigned* enumeration;
         int* integer;