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 () {
+  // TODO: add in a "Launch" button
   NSButton* importButton_;
   NSButton* defaultBrowserButton_;
   NSButton* optInButton_;
   NSTextField* statusDescription_;
   NSTextField* downloadProgressDescription_;
   NSProgressIndicator* progressBar_;
 }
 @end
 
 @implementation InstallerWindowController
@@ skipping 93 matching lines @@
 - (void)updateDownloadProgress:(double)progressPercent {
   if (progressPercent > 0.0) {
     progressBar_.doubleValue = progressPercent;
   } else {
     progressBar_.doubleValue = 0.0;
     progressBar_.indeterminate = YES;
     [progressBar_ startAnimation:nil];
   }
 }
 
+- (BOOL)isUserMetricsChecked {
+  return optInButton_.state == NSOnState;
+}
+
+- (BOOL)isDefaultBrowserChecked {
+  return defaultBrowserButton_.state == NSOnState;
+}
+
 @end