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

chrome/browser/ui/cocoa/passwords/autosignin_prompt_view_controller_unittest.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.
 
 #import "chrome/browser/ui/cocoa/passwords/account_chooser_view_controller.h"
 
+#include <Carbon/Carbon.h>
+
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/utf_string_conversions.h"
 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/passwords/autosignin_prompt_view_controller.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"
+#import "ui/events/test/cocoa_test_event_utils.h"
 
 
 namespace {
 
 constexpr char kDialogTitle[] = "Auto signin";
 constexpr char kDialogText[] = "bla bla";
 
 class PasswordDialogControllerMock : public PasswordDialogController {
  public:
   MOCK_CONST_METHOD0(GetLocalForms, const FormsVector&());
@@ skipping 88 matching lines @@
 TEST_F(AutoSigninPromptViewControllerTest, ClosePromptAndHandleClick) {
   // A user may press mouse down, some navigation closes the dialog, mouse up
   // still sends the action. The view should not crash.
   SetUpAutosigninFirstRun();
   [view_controller() setBridge:nil];
   [view_controller().contentText clickedOnLink:@"" atIndex:0];
   [view_controller().okButton performClick:nil];
   [view_controller().turnOffButton performClick:nil];
 }
 
+TEST_F(AutoSigninPromptViewControllerTest, CloseOnEsc) {
+  SetUpAutosigninFirstRun();
+  EXPECT_CALL(*this, OnPerformClose());
+  [[view_controller() view]
+      performKeyEquivalent:cocoa_test_event_utils::KeyEventWithKeyCode(
+                               kVK_Escape, '\e', NSKeyDown, 0)];
+}
+
 }  // namespace