Remove unused methods in SVGListPropertyHelper and SVGPropertyTearOff*

third_party/WebKit/Source/core/svg/properties/SVGPropertyTearOff.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 51 matching lines @@
 
   void AttachToSVGElementAttribute(SVGElement* context_element,
                                    const QualifiedName& attribute_name) {
     DCHECK(!IsImmutable());
     DCHECK(context_element);
     DCHECK(attribute_name != QualifiedName::Null());
     context_element_ = context_element;
     attribute_name_ = attribute_name;
   }
 
-  virtual AnimatedPropertyType GetType() const = 0;
-
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
   static void ThrowReadOnly(ExceptionState&);
 
  protected:
   SVGPropertyTearOffBase(
       SVGElement* context_element,
       PropertyIsAnimValType property_is_anim_val,
       const QualifiedName& attribute_name = QualifiedName::Null())
       : context_element_(context_element),
@@ skipping 15 matching lines @@
  public:
   Property* Target() {
     if (IsAnimVal())
       contextElement()->EnsureAttributeAnimValUpdated();
 
     return target_.Get();
   }
 
   void SetTarget(Property* target) { target_ = target; }
 
-  AnimatedPropertyType GetType() const override {
-    return Property::ClassType();
-  }
-
   DEFINE_INLINE_VIRTUAL_TRACE() {
     visitor->Trace(target_);
     SVGPropertyTearOffBase::Trace(visitor);
   }
 
  protected:
   SVGPropertyTearOff(
       Property* target,
       SVGElement* context_element,
       PropertyIsAnimValType property_is_anim_val,
       const QualifiedName& attribute_name = QualifiedName::Null())
       : SVGPropertyTearOffBase(context_element,
                                property_is_anim_val,
                                attribute_name),
         target_(target) {
     DCHECK(target_);
   }
 
  private:
   Member<Property> target_;
 };
 
 }  // namespace blink
 
 #endif  // SVGPropertyTearOff_h