 --- a/chrome/browser/ui/views/tabs/new_tab_button.cc
 +++ b/chrome/browser/ui/views/tabs/new_tab_button.cc
-@@ -64,10 +64,8 @@ const gfx::Size NewTabButton::kButtonSize{28, 28};
+@@ -64,10 +64,8 @@ const gfx::Size NewTabButton::kButtonSiz
  NewTabButton::NewTabButton(TabStrip* tab_strip, views::ButtonListener* listener)
      : views::ImageButton(listener), tab_strip_(tab_strip) {
    set_animate_on_state_change(true);

   ink_drop_container_ = new views::InkDropContainerView();
--- a/chrome/browser/ui/views/tabs/tab_strip.cc
+++ b/chrome/browser/ui/views/tabs/tab_strip.cc
@@ -2662,15 +2662,12 @@ void TabStrip::ButtonPressed(views::Button* sender, const ui::Event& event) {
     if (event.IsMouseEvent()) {
       const ui::MouseEvent& mouse = static_cast<const ui::MouseEvent&>(event);
       if (mouse.IsOnlyMiddleMouseButton()) {

-        }
         return;
       }
     }
