Revert 113634 - Add support for high contrast mode to bubbles

ui/views/bubble/bubble_delegate.cc

Index: ui/views/bubble/bubble_delegate.cc
===================================================================
--- ui/views/bubble/bubble_delegate.cc	(revision 113636)
+++ ui/views/bubble/bubble_delegate.cc	(working copy)
@@ -5,7 +5,6 @@
 #include "ui/views/bubble/bubble_delegate.h"
 
 #include "ui/base/animation/slide_animation.h"
-#include "ui/gfx/color_utils.h"
 #include "ui/views/bubble/bubble_frame_view.h"
 #include "ui/views/widget/widget.h"
 
@@ -72,13 +71,8 @@
 
 }  // namespace
 
-#if defined(OS_WIN) && !defined(USE_AURA)
-const SkColor BubbleDelegateView::kBackgroundColor =
-    color_utils::GetSysSkColor(COLOR_WINDOW);
-#else
-// TODO(beng): source from theme provider.
-const SkColor Bubble::kBackgroundColor = SK_ColorWHITE;
-#endif
+// TODO(msw): Use NativeTheme/color_helper (crbug.com/105023).
+const SkColor BubbleDelegateView::kBackgroundColor = SK_ColorWHITE;
 
 BubbleDelegateView::BubbleDelegateView()
     : close_on_esc_(true),