Replace or exclude MMX intrinsics in yuv_convert_simd_x86 due to lack of VS2010 support for them in…

media/base/simd/empty_register_state.h

Index: media/base/simd/empty_register_state.h
diff --git a/media/base/simd/empty_register_state.h b/media/base/simd/empty_register_state.h
new file mode 100644
index 0000000000000000000000000000000000000000..a82e977f2b5d7188c2e7c70122e8ccaa36b9b020
--- /dev/null
+++ b/media/base/simd/empty_register_state.h
@@ -0,0 +1,13 @@
+// Copyright (c) 2013 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 MEDIA_BASE_SIMD_EMPTY_REGISTER_STATE_H_
+#define MEDIA_BASE_SIMD_EMPTY_REGISTER_STATE_H_
+
+// Assembly functions are declared without namespace.
+extern "C" {
+void EmptyRegisterState_MMX(void);
+}  // extern "C"
+
+#endif  // MEDIA_BASE_SIMD_EMPTY_REGISTER_STATE_H_