Upstream Chrome on iOS source code [5/11].

ios/chrome/browser/ui/ntp/new_tab_page_bar_item.mm

+// Copyright 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.
+
+#import "ios/chrome/browser/ui/ntp/new_tab_page_bar_item.h"
+
+#include "base/mac/objc_property_releaser.h"
+
+@implementation NewTabPageBarItem {
+  // Title of the button.
+  NSString* title_;
+  // A numeric identifier.
+  NSUInteger identifier_;
+  // Tabbar image.
+  UIImage* image_;
+  // New tab page view.
+  __unsafe_unretained UIView* view_;  // weak
+  base::mac::ObjCPropertyReleaser propertyReleaser_NewTabPageBarItem_;
+}
+
+@synthesize title = title_;
+@synthesize identifier = identifier_;
+@synthesize image = image_;
+@synthesize view = view_;
+
++ (NewTabPageBarItem*)newTabPageBarItemWithTitle:(NSString*)title
+                                      identifier:(NSUInteger)identifier
+                                           image:(UIImage*)image {
+  NewTabPageBarItem* item = [[[NewTabPageBarItem alloc] init] autorelease];
+  if (item) {
+    item.title = title;
+    item.identifier = identifier;
+    item.image = image;
+  }
+  return item;
+}
+
+- (id)init {
+  self = [super init];
+  if (self) {
+    propertyReleaser_NewTabPageBarItem_.Init(self, [NewTabPageBarItem class]);
+  }
+  return self;
+}
+
+@end