Cleanup of SSE optimization files.

src/opts/SkXfermode_opts_SSE2.h

+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
 #ifndef SkXfermode_opts_SSE2_DEFINED
 #define SkXfermode_opts_SSE2_DEFINED
 
 #include "SkTypes.h"
 #include "SkXfermode_proccoeff.h"
 
 class SK_API SkSSE2ProcCoeffXfermode : public SkProcCoeffXfermode {
 public:
     SkSSE2ProcCoeffXfermode(const ProcCoeff& rec, SkXfermode::Mode mode,
                             void* procSIMD)
@@ skipping 11 matching lines @@
     SkSSE2ProcCoeffXfermode(SkReadBuffer& buffer);
 
     void* fProcSIMD;
     typedef SkProcCoeffXfermode INHERITED;
 };
 
 SkProcCoeffXfermode* SkPlatformXfermodeFactory_impl_SSE2(const ProcCoeff& rec,
                                                          SkXfermode::Mode mode);
 
 #endif // SkXfermode_opts_SSE2_DEFINED