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

chrome/installer/mac/app/AppDelegate.mm

Index: chrome/installer/mac/app/AppDelegate.mm
diff --git a/chrome/installer/mac/app/AppDelegate.m b/chrome/installer/mac/app/AppDelegate.mm
similarity index 92%
rename from chrome/installer/mac/app/AppDelegate.m
rename to chrome/installer/mac/app/AppDelegate.mm
index 341fb2cda9db23110bb5b28b895225591f98bfa0..a7e8b0daad75b8c64fe6223d8e8391066d4e93c5 100644
--- a/chrome/installer/mac/app/AppDelegate.m
+++ b/chrome/installer/mac/app/AppDelegate.mm
@@ -4,6 +4,8 @@
 
 #import "AppDelegate.h"
 
+#include "chrome/common/chrome_switches.h"
+
 #import "Downloader.h"
 #import "InstallerWindowController.h"
 #import "NSError+ChromeInstallerAdditions.h"
@@ -136,14 +138,22 @@
     NSLog(@"%@", error);
   }
 
-  // TODO: edit the below code to feed in command line arguments
+  NSMutableArray* installerSettings = [[NSMutableArray alloc] init];
+  if ([installerWindowController_ isUserMetricsChecked])
+    [installerSettings
+        addObject:[NSString stringWithUTF8String:switches::kEnableUserMetrics]];
+  if ([installerWindowController_ isDefaultBrowserChecked])
+    [installerSettings
+        addObject:[NSString stringWithUTF8String:switches::kSetDefaultBrowser]];
 
   [[NSWorkspace sharedWorkspace]
       launchApplicationAtURL:
           [NSURL fileURLWithPath:@"/Applications/Google Chromo.app"
                      isDirectory:NO]
                      options:NSWorkspaceLaunchDefault
-               configuration:@{}
+               configuration:@{
+                 NSWorkspaceLaunchConfigurationArguments : installerSettings
+               }
                        error:&error];
   if (error) {
     NSLog(@"Chromo failed to launch: %@", error);