Remove explicit keyword from multi-argument constructors

chrome/browser/chromeos/cros/network_library.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 "chrome/browser/chromeos/cros/network_library.h"
 
 #include <algorithm>
 #include <map>
 #include <set>
 
@@ skipping 412 matching lines @@
 
 // Helper class to cache maps of strings to enums.
 template <typename Type>
 class StringToEnum {
  public:
   struct Pair {
     const char* key;
     const Type value;
   };
 
-  explicit StringToEnum(const Pair* list, size_t num_entries, Type unknown)
+  StringToEnum(const Pair* list, size_t num_entries, Type unknown)
       : unknown_value_(unknown) {
     for (size_t i = 0; i < num_entries; ++i, ++list)
       enum_map_[list->key] = list->value;
   }
 
   Type Get(const std::string& type) const {
     EnumMapConstIter iter = enum_map_.find(type);
     if (iter != enum_map_.end())
       return iter->second;
     return unknown_value_;
@@ skipping 2244 matching lines @@
   typedef ObserverList<NetworkDeviceObserver> NetworkDeviceObserverList;
   typedef std::map<std::string, NetworkDeviceObserverList*>
       NetworkDeviceObserverMap;
 
   typedef std::map<std::string, Network*> NetworkMap;
   typedef std::map<std::string, int> PriorityMap;
   typedef std::map<std::string, NetworkDevice*> NetworkDeviceMap;
   typedef std::map<std::string, CellularDataPlanVector*> CellularDataPlanMap;
 
   struct NetworkProfile {
-    explicit NetworkProfile(const std::string& p, NetworkProfileType t)
+    NetworkProfile(const std::string& p, NetworkProfileType t)
         : path(p), type(t) {}
     std::string path;
     NetworkProfileType type;
     typedef std::set<std::string> ServiceList;
     ServiceList services;
   };
   typedef std::list<NetworkProfile> NetworkProfileList;
 
   struct ConnectData {
     ConnectionSecurity security;
@@ skipping 3082 matching lines @@
   return network_library;
 }
 
 /////////////////////////////////////////////////////////////////////////////
 
 }  // namespace chromeos
 
 // Allows InvokeLater without adding refcounting. This class is a Singleton and
 // won't be deleted until it's last InvokeLater is run.
 DISABLE_RUNNABLE_METHOD_REFCOUNT(chromeos::NetworkLibraryImplBase);