Add LOCAL_ prefix to non-UMA histogram macros.

net/cert/x509_certificate.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/x509_certificate.h"
 
 #include <stdlib.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 140 matching lines @@
     ++pos->second.ref_count;
     *cert_handle = X509Certificate::DupOSCertHandle(pos->second.cert_handle);
   }
   // If the caller's handle was replaced with a cached handle, free the
   // original handle now. This is done outside of the lock because
   // |old_handle| may be the only handle for this particular certificate, so
   // freeing it may be complex or resource-intensive and does not need to
   // be guarded by the lock.
   if (old_handle) {
     X509Certificate::FreeOSCertHandle(old_handle);
-    DHISTOGRAM_COUNTS("X509CertificateReuseCount", 1);
+#ifndef NDEBUG
+    LOCAL_HISTOGRAM_BOOLEAN("X509CertificateReuseCount", true);
+#endif
   }
 }
 
 void X509CertificateCache::Remove(X509Certificate::OSCertHandle cert_handle) {
   SHA1HashValue fingerprint =
       X509Certificate::CalculateFingerprint(cert_handle);
   base::AutoLock lock(lock_);
 
   CertMap::iterator pos = cache_.find(fingerprint);
   if (pos == cache_.end())
@@ skipping 588 matching lines @@
     RemoveFromCache(cert_handle_);
     FreeOSCertHandle(cert_handle_);
   }
   for (size_t i = 0; i < intermediate_ca_certs_.size(); ++i) {
     RemoveFromCache(intermediate_ca_certs_[i]);
     FreeOSCertHandle(intermediate_ca_certs_[i]);
   }
 }
 
 }  // namespace net