Add appIconMask to notification API

ui/message_center/message_center_style.h

 // 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.
 
 #ifndef UI_MESSAGE_CENTER_MESSAGE_CENTER_STYLE_H_
 #define UI_MESSAGE_CENTER_MESSAGE_CENTER_STYLE_H_
 
 #include "base/basictypes.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/size.h"
@@ skipping 59 matching lines @@
 const int kMessageLineHeight = 18;         // In DIPs.
 
 // Colors.
 extern const SkColor kNotificationBackgroundColor; // Background of the card.
 extern const SkColor kImageBackgroundColor;        // Background of the image.
 extern const SkColor kIconBackgroundColor;         // Used behind icons smaller
                                                    // than the icon view.
 extern const SkColor kRegularTextColor;            // Title, message, ...
 extern const SkColor kDimTextColor;
 extern const SkColor kFocusBorderColor;  // The focus border.
+extern const SkColor
+    kSmallImageMaskForegroundColor;  // Foreground of small icon image.
+extern const SkColor
+    kSmallImageMaskBackgroundColor;  // Background of small icon image.
 
 // Limits.
 
 // Given the size of an image, returns the size of the properly scaled-up image
 // which fits into |container_size|.
 gfx::Size GetImageSizeForContainerSize(const gfx::Size& container_size,
                                        const gfx::Size& image_size);
 
 extern const int kNotificationMaximumImageHeight;  // For image notifications.
 extern const size_t kNotificationMaximumItems;     // For list notifications.
@@ skipping 38 matching lines @@
 
 extern const SkColor kShadowColor;           // Shadow in the tray.
 
 extern const SkColor kMessageCenterBackgroundColor;
 extern const SkColor kFooterDelimiterColor;  // Separator color for the tray.
 extern const SkColor kFooterTextColor;       // Text color for tray labels.
 
 }  // namespace message_center
 
 #endif  // UI_MESSAGE_CENTER_MESSAGE_CENTER_STYLE_H_