Remove asMatrix as a JS-exposed method in CSSTransformComponents.

third_party/WebKit/Source/core/css/cssom/CSSTransformComponent.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 CSSTransformComponent_h
 #define CSSTransformComponent_h
 
 #include "core/CoreExport.h"
 #include "core/css/CSSFunctionValue.h"
 #include "platform/bindings/ScriptWrappable.h"
 #include "platform/wtf/text/WTFString.h"
 
 namespace blink {
 
-class CSSMatrixComponent;
+class DOMMatrix;
 
 class CORE_EXPORT CSSTransformComponent
     : public GarbageCollectedFinalized<CSSTransformComponent>,
       public ScriptWrappable {
   WTF_MAKE_NONCOPYABLE(CSSTransformComponent);
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   enum TransformComponentType {
     kMatrixType,
@@ skipping 25 matching lines @@
   bool is2D() const { return Is2DComponentType(GetType()); }
 
   virtual String toString() const {
     const CSSValue* result = ToCSSValue();
     // TODO(meade): Remove this once all the number and length types are
     // rewritten.
     return result ? result->CssText() : "";
   }
 
   virtual CSSFunctionValue* ToCSSValue() const = 0;
-  virtual CSSMatrixComponent* asMatrix() const = 0;
+  virtual DOMMatrix* AsMatrix() const = 0;
 
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
  protected:
   CSSTransformComponent() = default;
 };
 
 }  // namespace blink
 
 #endif