Remove explicit keyword from multi-argument constructors

chrome/browser/ui/gtk/infobars/translate_infobar_base_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_INFOBARS_TRANSLATE_INFOBAR_BASE_GTK_H_
 #define CHROME_BROWSER_UI_GTK_INFOBARS_TRANSLATE_INFOBAR_BASE_GTK_H_
 #pragma once
 
 #include "chrome/browser/ui/gtk/infobars/infobar_gtk.h"
 #include "ui/base/animation/animation_delegate.h"
 
 class MenuGtk;
 class OptionsMenuModel;
 class TranslateInfoBarDelegate;
 
 // This class contains some of the base functionality that translate infobars
 // use.
 class TranslateInfoBarBase : public InfoBarGtk {
  public:
-  explicit TranslateInfoBarBase(TabContentsWrapper* owner,
-                                TranslateInfoBarDelegate* delegate);
+  TranslateInfoBarBase(TabContentsWrapper* owner,
+                       TranslateInfoBarDelegate* delegate);
   virtual ~TranslateInfoBarBase();
 
   // Initializes the infobar widgets. Should be called after the object has been
   // created.
   virtual void Init();
 
   // Overridden from InfoBar:
   virtual void GetTopColor(InfoBarDelegate::Type type,
                            double* r, double* g, double *b);
   virtual void GetBottomColor(InfoBarDelegate::Type type,
@@ skipping 39 matching lines @@
   // When 1, the infobar background should be pure WARNING_TYPE.
   double background_error_percent_;
 
   // Changes the color of the background from normal to error color and back.
   scoped_ptr<ui::SlideAnimation> background_color_animation_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateInfoBarBase);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_INFOBARS_TRANSLATE_INFOBAR_BASE_GTK_H_