Nukes USE_AURA ifdefs from views

ui/views/bubble/bubble_delegate.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/bubble/bubble_delegate.h"
 
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/gfx/animation/slide_animation.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/rect.h"
@@ skipping 186 matching lines @@
   anchor_rect_ = GetAnchorView()->GetBoundsInScreen();
   anchor_rect_.Inset(anchor_view_insets_);
   return anchor_rect_;
 }
 
 void BubbleDelegateView::OnBeforeBubbleWidgetInit(Widget::InitParams* params,
                                                   Widget* widget) const {
 }
 
 void BubbleDelegateView::StartFade(bool fade_in) {
-#if defined(USE_AURA)
-  // Use AURA's window layer animation instead of fading. This ensures that
-  // hosts which rely on the layer animation callbacks to close the window
-  // work correctly.
   if (fade_in)
     GetWidget()->Show();
   else
     GetWidget()->Close();
-#else
-  fade_animation_.reset(new gfx::SlideAnimation(this));
-  fade_animation_->SetSlideDuration(GetFadeDuration());
-  fade_animation_->Reset(fade_in ? 0.0 : 1.0);
-  if (fade_in) {
-    original_opacity_ = 0;
-    GetWidget()->SetOpacity(original_opacity_);
-    GetWidget()->Show();
-    fade_animation_->Show();
-  } else {
-    original_opacity_ = 255;
-    fade_animation_->Hide();
-  }
-#endif
 }
 
 void BubbleDelegateView::ResetFade() {
   fade_animation_.reset();
   GetWidget()->SetOpacity(original_opacity_);
 }
 
 void BubbleDelegateView::SetAlignment(BubbleBorder::BubbleAlignment alignment) {
   GetBubbleFrameView()->bubble_border()->set_alignment(alignment);
   SizeToContents();
@@ skipping 109 matching lines @@
   if (widget == GetWidget() && anchor_widget() &&
       anchor_widget()->GetTopLevelWidget()) {
     if (visible)
       anchor_widget()->GetTopLevelWidget()->DisableInactiveRendering();
     else
       anchor_widget()->GetTopLevelWidget()->EnableInactiveRendering();
   }
 }
 
 }  // namespace views