Implement about:labs

chrome/browser/app_controller_mac.mm

Index: chrome/browser/app_controller_mac.mm
diff --git a/chrome/browser/app_controller_mac.mm b/chrome/browser/app_controller_mac.mm
index c6cf44330be73b16b27d9e44ba618eb66e69997e..eb4452ce8a1ae35ec107323cabca88116e8c11e0 100644
--- a/chrome/browser/app_controller_mac.mm
+++ b/chrome/browser/app_controller_mac.mm
@@ -220,10 +220,6 @@ void RecordLastRunAppBundlePath() {
   if (parsed_command_line.HasSwitch(switches::kActivateOnLaunch)) {
     [NSApp activateIgnoringOtherApps:YES];
   }
-
-  if (!parsed_command_line.HasSwitch(switches::kEnableExposeForTabs)) {
-    [tabposeMenuItem_ setHidden:YES];
-  }
 }
 
 // (NSApplicationDelegate protocol) This is the Apple-approved place to override
@@ -501,6 +497,11 @@ void RecordLastRunAppBundlePath() {
     [self openUrls:startupUrls_];
     [self clearStartupUrls];
   }
+
+  const CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
+  if (!parsed_command_line.HasSwitch(switches::kEnableExposeForTabs)) {
+    [tabposeMenuItem_ setHidden:YES];
+  }
 }
 
 // This is called after profiles have been loaded and preferences registered.