Add missing (and remove superfluous) 'explicit' from constructors.

net/base/server_bound_cert_service.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/base/server_bound_cert_service.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/bind.h"
@@ skipping 277 matching lines @@
   WorkerDoneCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ServerBoundCertServiceWorker);
 };
 
 // A ServerBoundCertServiceJob is a one-to-one counterpart of an
 // ServerBoundCertServiceWorker. It lives only on the ServerBoundCertService's
 // origin message loop.
 class ServerBoundCertServiceJob {
  public:
-  ServerBoundCertServiceJob(SSLClientCertType type) : type_(type) {
+  explicit ServerBoundCertServiceJob(SSLClientCertType type) : type_(type) {
   }
 
   ~ServerBoundCertServiceJob() {
     if (!requests_.empty())
       DeleteAllCanceled();
   }
 
   SSLClientCertType type() const { return type_; }
 
   void AddRequest(ServerBoundCertServiceRequest* request) {
@@ skipping 229 matching lines @@
   else
     job->HandleResult(error, CLIENT_CERT_INVALID_TYPE, "", "");
   delete job;
 }
 
 int ServerBoundCertService::cert_count() {
   return server_bound_cert_store_->GetCertCount();
 }
 
 }  // namespace net