[SVGDom] Improved transform parsing

experimental/svg/model/SkSVGTypes.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkSVGTypes_DEFINED
 #define SkSVGTypes_DEFINED
 
 #include "SkColor.h"
+#include "SkMatrix.h"
 #include "SkRect.h"
 #include "SkScalar.h"
 #include "SkTypes.h"
 
 template <typename T>
 class SkSVGPrimitiveTypeWrapper {
 public:
     SkSVGPrimitiveTypeWrapper() = default;
     explicit constexpr SkSVGPrimitiveTypeWrapper(T v) : fValue(v) {}
 
     SkSVGPrimitiveTypeWrapper(const SkSVGPrimitiveTypeWrapper&)            = default;
     SkSVGPrimitiveTypeWrapper& operator=(const SkSVGPrimitiveTypeWrapper&) = default;
 
     const T& value() const { return fValue; }
     operator const T&() const { return fValue; }
 
 private:
     T fValue;
 };
 
-using SkSVGColorType   = SkSVGPrimitiveTypeWrapper<SkColor >;
-using SkSVGNumberType  = SkSVGPrimitiveTypeWrapper<SkScalar>;
-using SkSVGViewBoxType = SkSVGPrimitiveTypeWrapper<SkRect  >;
+using SkSVGColorType      = SkSVGPrimitiveTypeWrapper<SkColor >;
+using SkSVGNumberType     = SkSVGPrimitiveTypeWrapper<SkScalar>;
+using SkSVGViewBoxType    = SkSVGPrimitiveTypeWrapper<SkRect  >;
+using SkSVGTransformType  = SkSVGPrimitiveTypeWrapper<SkMatrix>;
 
 class SkSVGLength {
 public:
     enum class Unit {
         kUnknown,
         kNumber,
         kPercentage,
         kEMS,
         kEXS,
         kPX,
@@ skipping 12 matching lines @@
 
     const SkScalar& value() const { return fValue; }
     const Unit&     unit()  const { return fUnit;  }
 
 private:
     SkScalar fValue;
     Unit     fUnit;
 };
 
 #endif // SkSVGTypes_DEFINED