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

chrome/installer/mac/app/InstallerWindowController.m

Index: chrome/installer/mac/app/InstallerWindowController.m
diff --git a/chrome/installer/mac/app/InstallerWindowController.m b/chrome/installer/mac/app/InstallerWindowController.m
index c2cb2d386018b2a096ceb88c66fe460a72bfa5c8..a929482721ab4a6f6a7eac0f6e0d214cab66b89a 100644
--- a/chrome/installer/mac/app/InstallerWindowController.m
+++ b/chrome/installer/mac/app/InstallerWindowController.m
@@ -7,6 +7,7 @@
 #import "AppDelegate.h"
 
 @interface InstallerWindowController () {
+  // TODO: add in a "Launch" button
   NSButton* importButton_;
   NSButton* defaultBrowserButton_;
   NSButton* optInButton_;
@@ -120,4 +121,12 @@
   }
 }
 
+- (BOOL)isUserMetricsChecked {
+  return optInButton_.state == NSOnState;
+}
+
+- (BOOL)isDefaultBrowserChecked {
+  return defaultBrowserButton_.state == NSOnState;
+}
+
 @end