Clean up NativeTheme (particularly CommonTheme).

ui/views/controls/label.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/label.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 578 matching lines @@
 void Label::UpdateColorsFromTheme(const ui::NativeTheme* theme) {
   if (!enabled_color_set_) {
     requested_enabled_color_ = theme->GetSystemColor(
         ui::NativeTheme::kColorId_LabelEnabledColor);
   }
   if (!disabled_color_set_) {
     requested_disabled_color_ = theme->GetSystemColor(
         ui::NativeTheme::kColorId_LabelDisabledColor);
   }
   if (!background_color_set_) {
-    background_color_ = theme->GetSystemColor(
-        ui::NativeTheme::kColorId_LabelBackgroundColor);
+    background_color_ =
+        theme->GetSystemColor(ui::NativeTheme::kColorId_DialogBackground);
   }
   RecalculateColors();
 }
 
 bool Label::ShouldShowDefaultTooltip() const {
   const gfx::Size text_size = GetTextSize();
   const gfx::Size size = GetContentsBounds().size();
   return !obscured() && (text_size.width() > size.width() ||
                          (multi_line() && text_size.height() > size.height()));
 }
 
 }  // namespace views