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

net/test/base_test_server.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 NET_TEST_BASE_TEST_SERVER_H_
 #define NET_TEST_BASE_TEST_SERVER_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 135 matching lines @@
     TLSIntolerantLevel tls_intolerant;
   };
 
   // Pass as the 'host' parameter during construction to server on 127.0.0.1
   static const char kLocalhost[];
 
   // Initialize a TestServer listening on a specific host (IP or hostname).
   BaseTestServer(Type type,  const std::string& host);
 
   // Initialize a TestServer with a specific set of SSLOptions for HTTPS or WSS.
-  explicit BaseTestServer(Type type, const SSLOptions& ssl_options);
+  BaseTestServer(Type type, const SSLOptions& ssl_options);
 
   // Returns the host port pair used by current Python based test server only
   // if the server is started.
   const HostPortPair& host_port_pair() const;
 
   const FilePath& document_root() const { return document_root_; }
   const base::DictionaryValue& server_data() const;
   std::string GetScheme() const;
   bool GetAddressList(AddressList* address_list) const WARN_UNUSED_RESULT;
 
@@ skipping 83 matching lines @@
   bool log_to_console_;
 
   scoped_ptr<ScopedPortException> allowed_port_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseTestServer);
 };
 
 }  // namespace net
 
 #endif  // NET_TEST_BASE_TEST_SERVER_H_
-