Use file_util::GetFileSystemType() in crypto/nss_util.cc.

crypto/nss_util.h

 // 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.
 
 #ifndef CRYPTO_NSS_UTIL_H_
 #define CRYPTO_NSS_UTIL_H_
 
 #include <string>
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
@@ skipping 130 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(ScopedTestNSSChromeOSUser);
 };
 #endif
 
 // Convert a NSS PRTime value into a base::Time object.
 // We use a int64 instead of PRTime here to avoid depending on NSPR headers.
 CRYPTO_EXPORT base::Time PRTimeToBaseTime(int64 prtime);
 
 // Convert a base::Time object into a PRTime value.
 // We use a int64 instead of PRTime here to avoid depending on NSPR headers.
-CRYPTO_EXPORT int64 BaseTimeToPRTime(base::Time time);
+CRYPTO_EXPORT int64 BaseTimeToPRTime(const base::Time& time);

[wtc, 2014/02/04 01:26:02]

Are you sure this change is necessary? base::Time can be passed by value very
cheaply, and base/time/time.h itself passes Time, TimeTicks, and TimeDelta by
value.

[Lei Zhang, 2014/02/04 01:34:21]

It just stood out since we generally pass by const-ref. Reverted.

 
 #if defined(USE_NSS)
 // Exposed for unittests only.
 // TODO(mattm): When NSS 3.14 is the minimum version required,
 // switch back to using a separate user DB for each test.
 // Because of https://bugzilla.mozilla.org/show_bug.cgi?id=588269 , the
 // opened user DB is not automatically closed.
 class CRYPTO_EXPORT_PRIVATE ScopedTestNSSDB {
  public:
   ScopedTestNSSDB();
@@ skipping 25 matching lines @@
  private:
   base::Lock *lock_;
   DISALLOW_COPY_AND_ASSIGN(AutoNSSWriteLock);
 };
 
 #endif  // defined(USE_NSS)
 
 }  // namespace crypto
 
 #endif  // CRYPTO_NSS_UTIL_H_