Remove explicit keyword from multi-argument constructors

net/ftp/ftp_network_transaction_unittest.cc

 // 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.
 
 #include "net/ftp/ftp_network_transaction.h"
 
 #include "build/build_config.h"
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
@@ skipping 610 matching lines @@
   const char* epsv_response_;
   const size_t epsv_response_length_;
   const State expected_state_;
 
   DISALLOW_COPY_AND_ASSIGN(FtpSocketDataProviderEvilEpsv);
 };
 
 class FtpSocketDataProviderEvilPasv
     : public FtpSocketDataProviderFileDownloadWithPasvFallback {
  public:
-  explicit FtpSocketDataProviderEvilPasv(const char* pasv_response,
-                                         State expected_state)
+  FtpSocketDataProviderEvilPasv(const char* pasv_response, State expected_state)
       : pasv_response_(pasv_response),
         expected_state_(expected_state) {
   }
 
   virtual MockWriteResult OnWrite(const std::string& data) OVERRIDE {
     if (InjectFault())
       return MockWriteResult(true, data.length());
     switch (state()) {
       case PRE_PASV:
         return Verify("PASV\r\n", data, expected_state_, pasv_response_);
@@ skipping 789 matching lines @@
   FtpSocketDataProviderFileDownload ctrl_socket;
   TransactionFailHelper(&ctrl_socket,
                         "ftp://host/file",
                         FtpSocketDataProvider::PRE_PWD,
                         FtpSocketDataProvider::PRE_TYPE,
                         "257 \"\"\r\n",
                         OK);
 }
 
 }  // namespace net