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

chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor_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 "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.h"
 
+#include <memory>
+
 #include "base/mac/scoped_nsobject.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "chrome/app/chrome_command_ids.h"  // IDC_*
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_unittest_helper.h"
 #include "chrome/grit/generated_resources.h"
 #include "testing/gmock/include/gmock/gmock-matchers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "testing/gtest_mac.h"
 #include "testing/platform_test.h"
 #import "third_party/ocmock/OCMock/OCMock.h"
@@ skipping 329 matching lines @@
   for (NSUInteger i = 0; i < [items count]; ++i) {
     NSMenuItem* item = [items objectAtIndex:i];
     if ([item action] == @selector(showURL:)) {
       EXPECT_TRUE([editor_ validateMenuItem:item]);
       break;
     }
   }
 }
 
 }  // namespace