Remove explicit keyword from multi-argument constructors

chrome/browser/ui/views/tabs/tab_strip.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/ui/views/tabs/tab_strip.h"
 
 #include <algorithm>
 #include <iterator>
 #include <vector>
 
@@ skipping 49 matching lines @@
 
 namespace {
 
 ///////////////////////////////////////////////////////////////////////////////
 // NewTabButton
 //
 //  A subclass of button that hit-tests to the shape of the new tab button.
 
 class NewTabButton : public views::ImageButton {
  public:
-  explicit NewTabButton(TabStrip* tab_strip, views::ButtonListener* listener)
+  NewTabButton(TabStrip* tab_strip, views::ButtonListener* listener)
       : views::ImageButton(listener),
         tab_strip_(tab_strip) {
   }
   virtual ~NewTabButton() {}
 
  protected:
   // Overridden from views::View:
   virtual bool HasHitTestMask() const {
     // When the button is sized to the top of the tab strip we want the user to
     // be able to click on complete bounds, and so don't return a custom hit
@@ skipping 945 matching lines @@
   }
   return mini_count;
 }
 
 bool TabStrip::IsPointInTab(Tab* tab,
                             const gfx::Point& point_in_tabstrip_coords) {
   gfx::Point point_in_tab_coords(point_in_tabstrip_coords);
   View::ConvertPointToView(this, tab, &point_in_tab_coords);
   return tab->HitTest(point_in_tab_coords);
 }