[CSS Typed OM] Delete obsolete number and length classes from Typed OM

third_party/WebKit/Source/core/css/cssom/CSSPerspective.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CSSPerspective_h
 #define CSSPerspective_h
 
 #include "core/CoreExport.h"
-#include "core/css/cssom/CSSLengthValue.h"
+#include "core/css/cssom/CSSNumericValue.h"
 #include "core/css/cssom/CSSTransformComponent.h"
 
 namespace blink {
 
 class ExceptionState;
 
 class CORE_EXPORT CSSPerspective : public CSSTransformComponent {
   WTF_MAKE_NONCOPYABLE(CSSPerspective);
   DEFINE_WRAPPERTYPEINFO();
 
  public:
-  static CSSPerspective* Create(const CSSLengthValue*, ExceptionState&);
+  static CSSPerspective* Create(const CSSNumericValue*, ExceptionState&);
   static CSSPerspective* FromCSSValue(const CSSFunctionValue&);
 
   // Bindings require a non const return value.
-  CSSLengthValue* length() const {
-    return const_cast<CSSLengthValue*>(length_.Get());
+  CSSNumericValue* length() const {
+    return const_cast<CSSNumericValue*>(length_.Get());
   }
 
   TransformComponentType GetType() const override { return kPerspectiveType; }
 
   // TODO: Implement asMatrix for CSSPerspective.
   CSSMatrixComponent* asMatrix() const override { return nullptr; }
 
   CSSFunctionValue* ToCSSValue() const override;
 
   DEFINE_INLINE_VIRTUAL_TRACE() {
     visitor->Trace(length_);
     CSSTransformComponent::Trace(visitor);
   }
 
  private:
-  CSSPerspective(const CSSLengthValue* length) : length_(length) {}
+  CSSPerspective(const CSSNumericValue* length) : length_(length) {}
 
-  Member<const CSSLengthValue> length_;
+  Member<const CSSNumericValue> length_;
 };
 
 }  // namespace blink
 
 #endif