Set a display limit of 8 on multiple-item notifications items.

ui/message_center/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/notification_view.h"
 
 #include "base/utf_string_conversions.h"
 #include "grit/ui_resources.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 121 matching lines @@
   // close button row, and all item rows.
   layout->StartRow(0, 0);
   views::ImageView* icon = new views::ImageView();
   icon->SetImageSize(gfx::Size(message_center::kNotificationIconWidth,
                                message_center::kNotificationIconWidth));
   icon->SetImage(notification_.primary_icon);
   icon->SetHorizontalAlignment(views::ImageView::LEADING);
   icon->SetVerticalAlignment(views::ImageView::LEADING);
   icon->set_border(MakePadding(kIconTopPadding, kIconLeftPadding,
                                kIconBottomPadding, kIconToTextPadding));
-  layout->AddView(icon, 1, 2 + notification_.items.size());
+  int displayed_item_count =
+      std::min(notification_.items.size(), kNotificationMaxItems);
+  layout->AddView(icon, 1, 2 + displayed_item_count);
 
   // First row: Title. This vertically spans the close button padding row and
   // the close button row.
   // TODO(dharcourt): Skip the title Label when there's no title text.
   views::Label* title = new views::Label(notification_.title);
   title->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   title->SetElideBehavior(views::Label::ELIDE_AT_END);
   title->SetFont(title->font().DeriveFont(4));
   title->SetEnabledColor(kTitleColor);
   title->SetBackgroundColor(kTitleBackgroundColor);
   title->set_border(MakePadding(kTextTopPadding, 0, 3, kTextToClosePadding));
   layout->AddView(title, 1, 2);
 
   // First row: Close button padding.
   views::View* padding = new views::ImageView();
   padding->set_border(MakePadding(kCloseTopPadding, 1, 0, 0));
   layout->AddView(padding);
 
   // Second row: Close button, which has to be on a row of its own because its
   // top padding can't be set using empty borders (ImageButtons don't support
   // borders). The resize factor of this row (100) is much higher than that of
   // other rows (0) to ensure the first row's height stays at kCloseTopPadding.
   layout->StartRow(100, 0);
   layout->SkipColumns(2);
   DCHECK(close_button_);
   layout->AddView(close_button_);
 
   // One row for each notification item, including appropriate padding.
-  for (int i = 0, n = notification_.items.size(); i < n; ++i) {
-    int bottom_padding = (i < n - 1) ? 4 : (kTextBottomPadding - 2);
+  for (int i = 0; i < displayed_item_count; ++i) {
+    int bottom_padding =
+        (i < displayed_item_count - 1) ? 4 : (kTextBottomPadding - 2);
     layout->StartRow(0, 0);
     layout->SkipColumns(1);
     ItemView* item = new ItemView(notification_.items[i]);
     item->set_border(MakePadding(0, 0, bottom_padding, kTextToClosePadding));
     layout->AddView(item);
     layout->SkipColumns(1);
   }
 }
 
 }  // namespace message_center