Upstream method to check if MDM integration support is enabled.

ios/chrome/browser/experimental_flags.mm

Index: ios/chrome/browser/experimental_flags.mm
diff --git a/ios/chrome/browser/experimental_flags.mm b/ios/chrome/browser/experimental_flags.mm
index 42a4bd9eae4cca504d2bbf9e643f3578212cca69..32975b428b551f88c4fe9d568ea67d18d89c5f43 100644
--- a/ios/chrome/browser/experimental_flags.mm
+++ b/ios/chrome/browser/experimental_flags.mm
@@ -29,6 +29,7 @@ NSString* const kHeuristicsForPasswordGeneration =
 NSString* const kEnableReadingList = @"EnableReadingList";
 NSString* const kUpdatePasswordUIDisabled = @"UpdatePasswordUIDisabled";
 NSString* const kEnableNewClearBrowsingDataUI = @"EnableNewClearBrowsingDataUI";
+NSString* const kMDMIntegrationDisabled = @"MDMIntegrationDisabled";
 }  // namespace
 
 namespace experimental_flags {
@@ -180,4 +181,9 @@ bool IsSpotlightActionsEnabled() {
   return !command_line->HasSwitch(switches::kDisableSpotlightActions);
 }
 
+bool IsMDMIntegrationEnabled() {
+  return ![[NSUserDefaults standardUserDefaults]
+      boolForKey:kMDMIntegrationDisabled];
+}
+
 }  // namespace experimental_flags