Upstream Chrome on iOS source code [1/11].

ios/chrome/app/application_delegate/mock_tab_opener.mm

+// Copyright 2016 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 "ios/chrome/app/application_delegate/mock_tab_opener.h"
+
+#include "base/ios/block_types.h"
+#include "base/mac/scoped_block.h"
+#include "ios/chrome/app/application_mode.h"
+#include "ui/base/page_transition_types.h"
+#include "url/gurl.h"
+
+@interface MockTabOpener () {
+  base::mac::ScopedBlock<ProceduralBlock> _completionBlock;
+}
+
+@end
+
+@implementation MockTabOpener
+
+@synthesize url = _url;
+@synthesize applicationMode = _applicationMode;
+
+- (void)dismissModalsAndOpenSelectedTabInMode:(ApplicationMode)targetMode
+                                      withURL:(const GURL&)url
+                                   transition:(ui::PageTransition)transition
+                                   completion:(ProceduralBlock)handler {
+  _url = url;
+  _applicationMode = targetMode;
+  _completionBlock.reset([handler copy]);
+}
+
+- (void)resetURL {
+  _url = _url.EmptyGURL();
+}
+
+- (void (^)())completionBlock {
+  return _completionBlock;
+}
+
+- (void)openTabFromLaunchOptions:(NSDictionary*)launchOptions
+              startupInformation:(id<StartupInformation>)startupInformation
+                        appState:(AppState*)appState {
+  // Stub.
+}
+
+- (BOOL)shouldOpenNTPTabOnActivationOfTabModel:(TabModel*)tabModel {
+  // Stub.
+  return YES;
+}
+
+@end