Nukes USE_AURA ifdefs from views

ui/views/background.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/background.h"
 
 #include "base/logging.h"
 #include "skia/ext/skia_utils_win.h"
 #include "third_party/skia/include/core/SkPaint.h"
 #include "ui/gfx/canvas.h"
@@ skipping 76 matching lines @@
 #endif
 
 //static
 Background* Background::CreateSolidBackground(SkColor color) {
   return new SolidBackground(color);
 }
 
 //static
 Background* Background::CreateStandardPanelBackground() {
   // TODO(beng): Should be in NativeTheme.
-#if defined(USE_AURA)
   return CreateSolidBackground(SK_ColorWHITE);
-#else
-  return CreateVerticalGradientBackground(SkColorSetRGB(246, 250, 255),
-                                          SkColorSetRGB(219, 235, 255));
-#endif
 }
 
 //static
 Background* Background::CreateVerticalGradientBackground(SkColor color1,
                                                          SkColor color2) {
   Background* background = CreateBackgroundPainter(
       true, Painter::CreateVerticalGradient(color1, color2));
   background->SetNativeControlColor(
       color_utils::AlphaBlend(color1, color2, 128));
 
@@ skipping 13 matching lines @@
   return background;
 }
 
 //static
 Background* Background::CreateBackgroundPainter(bool owns_painter,
                                                 Painter* painter) {
   return new BackgroundPainter(owns_painter, painter);
 }
 
 }  // namespace views