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

chrome/browser/ui/cocoa/passwords/account_chooser_view_controller.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 "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
+#import "chrome/browser/ui/cocoa/key_equivalent_constants.h"
 #import "chrome/browser/ui/cocoa/passwords/account_avatar_fetcher_manager.h"
 #import "chrome/browser/ui/cocoa/passwords/credential_item_button.h"
 #import "chrome/browser/ui/cocoa/passwords/passwords_bubble_utils.h"
 #include "chrome/browser/ui/passwords/manage_passwords_view_utils.h"
 #include "chrome/browser/ui/passwords/password_dialog_controller.h"
 #include "chrome/browser/ui/passwords/password_dialog_prompts.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/autofill/core/common/password_form.h"
 #include "components/password_manager/core/common/credential_manager_types.h"
 #include "grit/theme_resources.h"
@@ skipping 65 matching lines @@
   [[titleView_ textContainer] setLineFragmentPadding:0];
   [view addSubview:titleView_];
 
   // Credentials list.
   [self loadCredentialItems];
 
   // "Cancel" button.
   cancelButton_ = DialogButton(l10n_util::GetNSString(IDS_APP_CANCEL));
   [cancelButton_ setTarget:self];
   [cancelButton_ setAction:@selector(onCancelClicked:)];
+  [cancelButton_ setKeyEquivalent:kKeyEquivalentEscape];
   [view addSubview:cancelButton_];
 
   // Lay out the views.
   [cancelButton_ setFrameOrigin:NSMakePoint(
       kFramePadding + width - NSWidth([cancelButton_ frame]),
       kFramePadding)];
 
   NSSize buttonsSize = NSMakeSize(
       kDesiredBubbleWidth,
       std::min([credentialButtons_ count], kMaxAccounts) * kCredentialHeight);
@@ skipping 117 matching lines @@
 
 - (NSArray*)credentialButtons {
   return credentialButtons_;
 }
 
 - (NSTextView*)titleView {
   return titleView_;
 }
 
 @end