Close the account chooser and auto sign-in opt in with ESC on Mac.

chrome/browser/ui/cocoa/passwords/account_chooser_view_controller_unittest.mm

 // Copyright 2015 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/passwords/account_chooser_view_controller.h"
 
 #include <utility>
 
+#include <Carbon/Carbon.h>
+
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/string16.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/passwords/account_avatar_fetcher_manager.h"
 #import "chrome/browser/ui/cocoa/passwords/account_chooser_view_controller.h"
 #import "chrome/browser/ui/cocoa/passwords/credential_item_button.h"
 #include "chrome/browser/ui/passwords/password_dialog_controller.h"
 #include "components/autofill/core/common/password_form.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"
+#import "ui/events/test/cocoa_test_event_utils.h"
 #include "url/gurl.h"
 #include "url/origin.h"
 
 @interface AccountAvatarFetcherTestManager : AccountAvatarFetcherManager {
   std::vector<GURL> fetchedAvatars_;
 }
 @property(nonatomic, readonly) const std::vector<GURL>& fetchedAvatars;
 @end
 
 @implementation AccountAvatarFetcherTestManager
@@ skipping 191 matching lines @@
   PasswordDialogController::FormsVector local_forms;
   local_forms.push_back(Credential("pizza"));
   SetUpAccountChooser(&local_forms);
   [view_controller() setBridge:nil];
   [view_controller().titleView clickedOnLink:@"" atIndex:0];
   [base::mac::ObjCCastStrict<CredentialItemButton>(
       [view_controller().credentialButtons objectAtIndex:0]) performClick:nil];
   [view_controller().cancelButton performClick:nil];
 }
 
+TEST_F(AccountChooserViewControllerTest, CloseOnEsc) {
+  PasswordDialogController::FormsVector local_forms;
+  local_forms.push_back(Credential("pizza"));
+  SetUpAccountChooser(&local_forms);
+  EXPECT_CALL(*this, OnPerformClose());
+  [[view_controller() view]
+      performKeyEquivalent:cocoa_test_event_utils::KeyEventWithKeyCode(
+                               kVK_Escape, '\e', NSKeyDown, 0)];
+}
+
 }  // namespace