Fix spelling of 'Enterprise' in several places.

chrome/browser/upgrade_detector_impl.cc

Index: chrome/browser/upgrade_detector_impl.cc
diff --git a/chrome/browser/upgrade_detector_impl.cc b/chrome/browser/upgrade_detector_impl.cc
index 5ea5af262aa35e59aa75a9c47f6dc53317f737d7..ca49ef4cd4d7e92acca849cb08b0c0da9a04b689 100644
--- a/chrome/browser/upgrade_detector_impl.cc
+++ b/chrome/browser/upgrade_detector_impl.cc
@@ -376,7 +376,7 @@ bool UpgradeDetectorImpl::DetectOutdatedInstall() {
       return false;
 
 #if defined(OS_WIN)
-    // Don't show the update bubbles to entreprise users (i.e., on a domain).
+    // Don't show the update bubbles to enterprise users (i.e., on a domain).
     if (base::win::IsEnrolledToDomain())
       return false;