Remove WAYLAND port

ui/views/controls/scrollbar/native_scroll_bar_views.cc

 // Copyright (c) 2012 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 "ui/views/controls/scrollbar/native_scroll_bar_views.h"
 
 #include "base/logging.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/path.h"
@@ skipping 356 matching lines @@
     bounds.set_height(thumb->GetPreferredSize().height());
   } else {
     bounds.set_y(bounds.y() + size.height());
     bounds.set_height(std::max(0, bounds.height() - 2 * size.height()));
     bounds.set_width(thumb->GetPreferredSize().width());
   }
 
   return bounds;
 }
 
-#if defined(USE_WAYLAND) || defined(USE_AURA)
+#if defined(USE_AURA)
 ////////////////////////////////////////////////////////////////////////////////
 // NativewScrollBarWrapper, public:
 
 // static
 NativeScrollBarWrapper* NativeScrollBarWrapper::CreateWrapper(
     NativeScrollBar* scroll_bar) {
   return new NativeScrollBarViews(scroll_bar);
 }
 
 // static
@@ skipping 33 matching lines @@
   gfx::Size track_size = native_theme->GetPartSize(
       gfx::NativeTheme::kScrollbarVerticalThumb,
       gfx::NativeTheme::kNormal,
       thumb_params);
 
   return std::max(track_size.width(), button_size.width());
 }
 #endif
 
 }  // namespace views