Reduce the maximum number of list items in notifications.

ui/message_center/message_center_style.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_style.h"
 
 namespace message_center {
 
 // Exported values /////////////////////////////////////////////////////////////
 
@@ skipping 41 matching lines @@
     double proportion = size.height() / static_cast<double>(size.width());
     size.SetSize(width, std::max(0.5 + width * proportion, 1.0));
     if (size.height() > kNotificationMaximumImageHeight) {
       int height = kNotificationMaximumImageHeight;
       size.SetSize(std::max(0.5 + height / proportion, 1.0), height);
     }
   }
   return size;
 }
 
-const size_t kNotificationMaximumItems = 8;
+const size_t kNotificationMaximumItems = 5;
 
 // Timing.
 const int kAutocloseDefaultDelaySeconds = 8;
 const int kAutocloseHighPriorityDelaySeconds = 25;
 
 // Around notifications ////////////////////////////////////////////////////////
 
 // Pixel dimensions.
 const int kMarginBetweenItems = 10;
 
 // Colors.
 const SkColor kBackgroundLightColor = SkColorSetRGB(0xf1, 0xf1, 0xf1);
 const SkColor kBackgroundDarkColor = SkColorSetRGB(0xe7, 0xe7, 0xe7);
 const SkColor kShadowColor = SkColorSetARGB(0.3 * 255, 0, 0, 0);
 const SkColor kMessageCenterBackgroundColor = SkColorSetRGB(0xee, 0xee, 0xee);
 const SkColor kFooterDelimiterColor = SkColorSetRGB(0xcc, 0xcc, 0xcc);
 const SkColor kFooterTextColor = SkColorSetRGB(0x7b, 0x7b, 0x7b);
 
 }  // namespace message_center