Added in switches for the Mac Installer to send preferences to Chrome

chrome/installer/mac/app/InstallerWindowController.m

 // 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 "InstallerWindowController.h"
 
 #import "AppDelegate.h"
 
 @interface InstallerWindowController () {
   NSButton* importButton_;
@@ skipping 120 matching lines @@
 
 - (void)enableLaunchButton {
   [launchButton_ setEnabled:YES];
 }
 
 - (void)launchButtonClicked {
   // TODO: Launch the app and start ejecting disk.
   [NSApp terminate:nil];
 }
 
+- (BOOL)isUserMetricsChecked {
+  return optInButton_.state == NSOnState;
+}
+
+- (BOOL)isDefaultBrowserChecked {
+  return defaultBrowserButton_.state == NSOnState;
+}
+
 @end