Revert "Remove support for MSVC"

sky/engine/platform/transforms/TransformationMatrix.h

 /*
  * Copyright (C) 2005, 2006 Apple Computer, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 33 matching lines @@
 class FloatBox;
 #if CPU(X86_64)
 #define TRANSFORMATION_MATRIX_USE_X86_64_SSE2
 #endif
 
 class PLATFORM_EXPORT TransformationMatrix {
     WTF_MAKE_FAST_ALLOCATED;
 public:
 
 #if CPU(APPLE_ARMV7S) || defined(TRANSFORMATION_MATRIX_USE_X86_64_SSE2)
+#if COMPILER(MSVC)
+    __declspec(align(16)) typedef double Matrix4[4][4];
+#else
     typedef double Matrix4[4][4] __attribute__((aligned (16)));
+#endif
 #else
     typedef double Matrix4[4][4];
 #endif
 
     TransformationMatrix() { makeIdentity(); }
     TransformationMatrix(const AffineTransform& t);
     TransformationMatrix(const TransformationMatrix& t) { *this = t; }
     TransformationMatrix(double a, double b, double c, double d, double e, double f) { setMatrix(a, b, c, d, e, f); }
     TransformationMatrix(double m11, double m12, double m13, double m14,
                          double m21, double m22, double m23, double m24,
@@ skipping 282 matching lines @@
         if (m && m != m_matrix)
             memcpy(m_matrix, m, sizeof(Matrix4));
     }
 
     Matrix4 m_matrix;
 };
 
 } // namespace blink
 
 #endif // TransformationMatrix_h