Add SwiftShader source to repo

Oct 6 code drop from Transgaming
Review URL: https://chromereviews.googleplex.com/3846015
diff --git a/src/OpenGL ES 2.0/common/angleutils.h b/src/OpenGL ES 2.0/common/angleutils.h
new file mode 100644
index 0000000..24c766b
--- /dev/null
+++ b/src/OpenGL ES 2.0/common/angleutils.h
@@ -0,0 +1,18 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// angleutils.h: Common ANGLE utilities.
+
+#ifndef COMMON_ANGLEUTILS_H_
+#define COMMON_ANGLEUTILS_H_
+
+// A macro to disallow the copy constructor and operator= functions
+// This must be used in the private: declarations for a class
+#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
+  TypeName(const TypeName&);               \
+  void operator=(const TypeName&)
+
+#endif // COMMON_ANGLEUTILS_H_