Add crypto/wincrypt_shim.h wrapper header to resolve BoringSSL conflicts.

net/cert/test_root_certs_win.cc

 // Copyright (c) 2012 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.
 
 #include "net/cert/test_root_certs.h"
 
-#include <windows.h>
-#include <wincrypt.h>
-
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/win/win_util.h"
 #include "base/win/windows_version.h"
 #include "net/cert/x509_certificate.h"
 
 namespace net {
 
 namespace {
@@ skipping 186 matching lines @@
 
 void TestRootCerts::Init() {
   empty_ = true;
   temporary_roots_ = CertOpenStore(
       CERT_STORE_PROV_MEMORY, 0, NULL,
       CERT_STORE_DEFER_CLOSE_UNTIL_LAST_FREE_FLAG, NULL);
   DCHECK(temporary_roots_);
 }
 
 }  // namespace net