Remove explicit keyword from multi-argument constructors

chrome/browser/ui/views/tabs/side_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/side_tab_strip.h"
 
 #include "chrome/browser/tabs/tab_strip_selection_model.h"
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/tabs/side_tab.h"
 #include "chrome/browser/ui/views/tabs/tab_strip_controller.h"
@@ skipping 60 matching lines @@
 }
 
 // Button class used for the scroll buttons.
 class ScrollButton : public views::TextButton {
  public:
   enum Type {
     UP,
     DOWN
   };
 
-  explicit ScrollButton(views::ButtonListener* listener, Type type);
+  ScrollButton(views::ButtonListener* listener, Type type);
 
  protected:
   // views::View overrides.
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 
  private:
   const Type type_;
 
   DISALLOW_COPY_AND_ASSIGN(ScrollButton);
 };
@@ skipping 367 matching lines @@
     return;
 
   if (ideal_bounds(tab_index).y() < kTabStripInset) {
     SetFirstTabYOffset(first_tab_y_offset_ - ideal_bounds(tab_index).y() +
                        kTabStripInset);
   } else if (ideal_bounds(tab_index).bottom() > GetMaxTabY()) {
     SetFirstTabYOffset(GetMaxTabY() - (ideal_bounds(tab_index).bottom() -
                                        first_tab_y_offset_));
   }
 }