Remove asMatrix as a JS-exposed method in CSSTransformComponents.

third_party/WebKit/Source/core/css/cssom/CSSMatrixComponent.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 CSSMatrixComponent_h
 #define CSSMatrixComponent_h
 
-#include <memory>
 #include "core/css/cssom/CSSTransformComponent.h"
 #include "core/geometry/DOMMatrix.h"
-#include "platform/transforms/TransformationMatrix.h"
 
 namespace blink {
 
 class DOMMatrixReadOnly;
 
 class CORE_EXPORT CSSMatrixComponent final : public CSSTransformComponent {
   WTF_MAKE_NONCOPYABLE(CSSMatrixComponent);
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static CSSMatrixComponent* Create(DOMMatrixReadOnly*);
 
   static CSSMatrixComponent* FromCSSValue(const CSSFunctionValue& value) {
     return nullptr;
   }
 
   DOMMatrix* matrix() const { return matrix_; }
 
   void setMatrix(DOMMatrix* matrix) { matrix_ = matrix; }
 
   TransformComponentType GetType() const override {
     return is2d_ ? kMatrixType : kMatrix3DType;
   }
 
-  // Bindings require a non const return value.
-  CSSMatrixComponent* asMatrix() const override {
-    return const_cast<CSSMatrixComponent*>(this);
-  }
+  DOMMatrix* AsMatrix() const override { return matrix(); }
 
   CSSFunctionValue* ToCSSValue() const override;
 
-  static CSSMatrixComponent* Perspective(double length);
-
-  static CSSMatrixComponent* Rotate(double angle);
-  static CSSMatrixComponent* Rotate3d(double angle,
-                                      double x,
-                                      double y,
-                                      double z);
-
-  static CSSMatrixComponent* Scale(double x, double y);
-  static CSSMatrixComponent* Scale3d(double x, double y, double z);
-
-  static CSSMatrixComponent* Skew(double x, double y);
-
-  static CSSMatrixComponent* Translate(double x, double y);
-  static CSSMatrixComponent* Translate3d(double x, double y, double z);
-
   DEFINE_INLINE_VIRTUAL_TRACE() {
     visitor->Trace(matrix_);
     CSSTransformComponent::Trace(visitor);
   }
 
  private:
   CSSMatrixComponent(DOMMatrixReadOnly*);
-  CSSMatrixComponent(DOMMatrixReadOnly*, TransformComponentType);
 
   Member<DOMMatrix> matrix_;
   bool is2d_;
 };
 
 }  // namespace blink
 
 #endif