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 2da8618dfa3b5a0898ef2d26737baa435fe40aaf..1f6e4e990b274785461c0daf78923dc30b2d69dd 100644
--- a/chrome/installer/mac/app/AppDelegate.m
+++ b/chrome/installer/mac/app/AppDelegate.mm
@@ -6,6 +6,8 @@
 
 #include <Security/Security.h>
 
+#include "chrome/common/chrome_switches.h"
+
 #import "Downloader.h"
 #import "InstallerWindowController.h"
 #import "NSError+ChromeInstallerAdditions.h"
@@ -162,12 +164,23 @@
   NSString* chromeInApplicationsFolder =
       [authorizedInstall_ startInstall:tempAppPath];
 
+  NSMutableArray* installerSettings = [[NSMutableArray alloc] init];
+  if ([installerWindowController_ isUserMetricsChecked])
+    [installerSettings
+        addObject:[NSString stringWithUTF8String:switches::kEnableUserMetrics]];
+  if ([installerWindowController_ isDefaultBrowserChecked])
+    [installerSettings
+        addObject:[NSString
+                      stringWithUTF8String:switches::kMakeDefaultBrowser]];
+
   NSError* error = nil;
   [[NSWorkspace sharedWorkspace]
       launchApplicationAtURL:[NSURL fileURLWithPath:chromeInApplicationsFolder
                                         isDirectory:NO]
                      options:NSWorkspaceLaunchDefault
-               configuration:@{}
+               configuration:@{
+                 NSWorkspaceLaunchConfigurationArguments : installerSettings
+               }
                        error:&error];
   if (error) {
     NSLog(@"Chrome failed to launch: %@", error);