Remove explicit keyword from multi-argument constructors

views/controls/menu/menu_scroll_view_container.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 "views/controls/menu/menu_scroll_view_container.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <uxtheme.h>
 #include <Vssym32.h>
@@ skipping 24 matching lines @@
 namespace {
 
 // MenuScrollButton ------------------------------------------------------------
 
 // MenuScrollButton is used for the scroll buttons when not all menu items fit
 // on screen. MenuScrollButton forwards appropriate events to the
 // MenuController.
 
 class MenuScrollButton : public View {
  public:
-  explicit MenuScrollButton(SubmenuView* host, bool is_up)
+  MenuScrollButton(SubmenuView* host, bool is_up)
       : host_(host),
         is_up_(is_up),
         // Make our height the same as that of other MenuItemViews.
         pref_height_(MenuItemView::pref_menu_height()) {
   }
 
   virtual gfx::Size GetPreferredSize() {
     return gfx::Size(MenuConfig::instance().scroll_arrow_height * 2 - 1,
                      pref_height_);
   }
@@ skipping 216 matching lines @@
 
 void MenuScrollViewContainer::OnBoundsChanged(
     const gfx::Rect& previous_bounds) {
   gfx::Size content_pref = scroll_view_->GetContents()->GetPreferredSize();
   scroll_up_button_->SetVisible(content_pref.height() > height());
   scroll_down_button_->SetVisible(content_pref.height() > height());
   Layout();
 }
 
 }  // namespace views