[iOS] Upstream //ios/chrome/browser/ui

ios/chrome/browser/ui/orientation_limiting_navigation_controller.mm

+// 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.
+
+#import "ios/chrome/browser/ui/orientation_limiting_navigation_controller.h"
+
+#include "base/logging.h"
+#include "ios/chrome/browser/ui/ui_util.h"
+
+@implementation OrientationLimitingNavigationController
+
+- (NSUInteger)supportedInterfaceOrientations {
+  return IsIPadIdiom() ? [super supportedInterfaceOrientations]
+                       : UIInterfaceOrientationMaskPortrait;
+}
+
+- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
+  return IsIPadIdiom() ? [super preferredInterfaceOrientationForPresentation]
+                       : UIInterfaceOrientationPortrait;
+}
+
+- (BOOL)shouldAutorotate {
+  return IsIPadIdiom() ? [super shouldAutorotate] : NO;
+}
+
+@end