Remove explicit keyword from multi-argument constructors

chrome_frame/test/test_server.h

 // Copyright (c) 2011 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 CHROME_FRAME_TEST_TEST_SERVER_H_
 #define CHROME_FRAME_TEST_TEST_SERVER_H_
 
 // Implementation of an HTTP server for tests.
 // To instantiate the server, make sure you have a message loop on the
 // current thread and then create an instance of the SimpleWebServer class.
@@ skipping 356 matching lines @@
   int cur_pos_;
 
   DISALLOW_COPY_AND_ASSIGN(ConfigurableConnection);
 };
 
 // Simple class used as a base class for mock webserver.
 // Override virtual functions Get and Post and use passed ConfigurableConnection
 // instance to send the response.
 class HTTPTestServer : public net::ListenSocket::ListenSocketDelegate {
  public:
-  explicit HTTPTestServer(int port, const std::wstring& address,
-                          FilePath root_dir);
+  HTTPTestServer(int port, const std::wstring& address, FilePath root_dir);
   virtual ~HTTPTestServer();
 
   // HTTP GET request is received. Override in derived classes.
   // |connection| can be used to send the response.
   virtual void Get(ConfigurableConnection* connection,
                    const std::wstring& path, const Request& r) = 0;
 
   // HTTP POST request is received. Override in derived classes.
   // |connection| can be used to send the response
   virtual void Post(ConfigurableConnection* connection,
@@ skipping 22 matching lines @@
 
   scoped_refptr<net::ListenSocket> server_;
   ConnectionList connection_list_;
 
   DISALLOW_COPY_AND_ASSIGN(HTTPTestServer);
 };
 
 }  // namespace test_server
 
 #endif  // CHROME_FRAME_TEST_TEST_SERVER_H_