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

chrome/browser/ui/webui/plugins_ui.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 "chrome/browser/ui/webui/plugins_ui.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 119 matching lines @@
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 // The handler for Javascript messages for the chrome://plugins/ page.
 // TODO(viettrungluu): Make plugin list updates notify, and then observe
 // changes; maybe replumb plugin list through plugin service?
 // <http://crbug.com/39101>
 class PluginsDOMHandler : public WebUIMessageHandler,
                           public content::NotificationObserver {
  public:
-  explicit PluginsDOMHandler();
+  PluginsDOMHandler();
   virtual ~PluginsDOMHandler() {}
 
   // WebUIMessageHandler implementation.
   virtual void RegisterMessages() OVERRIDE;
 
   // Callback for the "requestPluginsData" message.
   void HandleRequestPluginsData(const ListValue* args);
 
   // Callback for the "enablePlugin" message.
   void HandleEnablePluginMessage(const ListValue* args);
@@ skipping 340 matching lines @@
 }
 
 // static
 void PluginsUI::RegisterUserPrefs(PrefServiceSyncable* prefs) {
   prefs->RegisterBooleanPref(prefs::kPluginsShowDetails,
                              false,
                              PrefServiceSyncable::UNSYNCABLE_PREF);
   prefs->RegisterDictionaryPref(prefs::kContentSettingsPluginWhitelist,
                                 PrefServiceSyncable::SYNCABLE_PREF);
 }