Remove explicit keyword from multi-argument constructors

chrome/browser/ui/gtk/create_application_shortcuts_dialog_gtk.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_BROWSER_UI_GTK_CREATE_APPLICATION_SHORTCUTS_DIALOG_GTK_H_
 #define CHROME_BROWSER_UI_GTK_CREATE_APPLICATION_SHORTCUTS_DIALOG_GTK_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
@@ skipping 82 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(CreateWebApplicationShortcutsDialogGtk);
 };
 
 class CreateChromeApplicationShortcutsDialogGtk
   : public CreateApplicationShortcutsDialogGtk,
     public ImageLoadingTracker::Observer {
  public:
   // Displays the dialog box to create application shortcuts for |app|.
   static void Show(GtkWindow* parent, const Extension* app);
 
-  explicit CreateChromeApplicationShortcutsDialogGtk(GtkWindow* parent,
-                                                     const Extension* app);
+  CreateChromeApplicationShortcutsDialogGtk(GtkWindow* parent,
+                                            const Extension* app);
   virtual ~CreateChromeApplicationShortcutsDialogGtk() {}
 
   // Implement ImageLoadingTracker::Observer.  |tracker_| is used to
   // load the app's icon.  This method recieves the icon, and adds
   // it to the "Create Shortcut" dailog box.
   virtual void OnImageLoaded(SkBitmap* image,
                              const ExtensionResource& resource,
                              int index);
 
  private:
   const Extension* app_;
   ImageLoadingTracker tracker_;
   DISALLOW_COPY_AND_ASSIGN(CreateChromeApplicationShortcutsDialogGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_CREATE_APPLICATION_SHORTCUTS_DIALOG_GTK_H_