Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/cocoa/bookmarks/bookmark_menu_bridge_unittest.mm

 // Copyright (c) 2011 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 <AppKit/AppKit.h>
 
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 70 matching lines @@
   }
 
   NSMenuItem* AddTestMenuItem(NSMenu *menu, NSString *title, SEL selector) {
     NSMenuItem *item = [[[NSMenuItem alloc] initWithTitle:title action:NULL
                                             keyEquivalent:@""] autorelease];
     if (selector)
       [item setAction:selector];
     [menu addItem:item];
     return item;
   }
-  scoped_ptr<TestBookmarkMenuBridge> bridge_;
+  std::unique_ptr<TestBookmarkMenuBridge> bridge_;
 };
 
 TEST_F(BookmarkMenuBridgeTest, TestBookmarkMenuAutoSeparator) {
   BookmarkModel* model = bridge_->GetBookmarkModel();
   bridge_->BookmarkModelLoaded(model, false);
   NSMenu* menu = bridge_->menu_;
   bridge_->UpdateMenu(menu);
   // The bare menu after loading used to have a separator and an
   // "Other Bookmarks" submenu, but we no longer show those items if the
   // "Other Bookmarks" submenu would be empty.
@@ skipping 290 matching lines @@
   EXPECT_TRUE([item image]);
 
   model->SetTitle(node, ASCIIToUTF16("New Title"));
 
   item = [menu itemWithTitle:@"Test Item"];
   EXPECT_FALSE(item);
   item = [menu itemWithTitle:@"New Title"];
   EXPECT_TRUE(item);
 }