Fix background color to ensure notification text color is preserved.

ui/message_center/views/notification_view.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/message_center/views/notification_view.h"
 
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "grit/ui_resources.h"
 #include "ui/base/accessibility/accessible_view_state.h"
@@ skipping 42 matching lines @@
 // Character limits: Displayed text will be subject to the line limits above,
 // but we also remove trailing characters from text to reduce processing cost.
 // Character limit = pixels per line * line limit / min. pixels per character.
 const size_t kTitleCharacterLimit =
     message_center::kNotificationWidth * kTitleLineLimit / 4;
 const size_t kMessageCharacterLimit =
     message_center::kNotificationWidth * kMessageExpandedLineLimit / 3;
 
 // Notification colors. The text background colors below are used only to keep
 // view::Label from modifying the text color and will not actually be drawn.
-// See view::Label's SetEnabledColor() and SetBackgroundColor() for details.
+// See view::Label's RecalculateColors() for details.
 const SkColor kRegularTextBackgroundColor = SK_ColorWHITE;
 const SkColor kDimTextColor = SkColorSetRGB(102, 102, 102);
-const SkColor kDimTextBackgroundColor = SK_ColorBLACK;
+const SkColor kDimTextBackgroundColor = SK_ColorWHITE;
 const SkColor kButtonSeparatorColor = SkColorSetRGB(234, 234, 234);
 const SkColor kHoveredButtonBackgroundColor = SkColorSetRGB(243, 243, 243);
 
 // static
 views::Background* MakeBackground(
     SkColor color = message_center::kNotificationBackgroundColor) {
   return views::Background::CreateSolidBackground(color);
 }
 
 // static
@@ skipping 548 matching lines @@
   return message_view_ ?
          message_view_->GetLinesForWidthAndLimit(width, limit) : 0;
 }
 
 int NotificationView::GetMessageHeight(int width, int limit) {
   return message_view_ ?
          message_view_->GetSizeForWidthAndLines(width, limit).height() : 0;
 }
 
 }  // namespace message_center