Moved some message center constants to message_center_constants.h.

ui/message_center/message_center_constants.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/message_center_constants.h"
 
 namespace message_center {
 
 // Exported values /////////////////////////////////////////////////////////////
 
 // Square image sizes in pixels.
 const int kNotificationButtonIconSize = 16;
 const int kNotificationIconSize = 80;
 const int kNotificationPreferredImageSize = kNotificationWidth;
 const int kSettingsIconSize = 16;
 
+// Limits.
+const size_t kMaxVisibleMessageCenterNotifications = 100;
+const size_t kMaxVisiblePopupNotifications = 3;
+
 // Within a notification ///////////////////////////////////////////////////////
 
 // Pixel dimensions.
 const int kControlButtonSize = 29;
 const int kNotificationWidth = 360;
 const int kIconToTextPadding = 16;
 const int kTextTopPadding = 12;
 
 // Text sizes.
 const int kTitleFontSize = 14;
@@ skipping 16 matching lines @@
 // Around notifications ////////////////////////////////////////////////////////
 
 // Pixel dimensions.
 const int kMarginBetweenItems = 10;
 
 // Colors.
 const SkColor kBackgroundLightColor = SkColorSetRGB(0xf1, 0xf1, 0xf1);
 const SkColor kBackgroundDarkColor = SkColorSetRGB(0xe7, 0xe7, 0xe7);
 
 }  // namespace message_center