Upstream method to check if MDM integration support is enabled.

ios/chrome/browser/experimental_flags.h

Index: ios/chrome/browser/experimental_flags.h
diff --git a/ios/chrome/browser/experimental_flags.h b/ios/chrome/browser/experimental_flags.h
index 2cef939efe9b621eecec81a83f1c469de09a3f76..6d281f6ecb4fe83404e45b24c75231a3c2aff84c 100644
--- a/ios/chrome/browser/experimental_flags.h
+++ b/ios/chrome/browser/experimental_flags.h
@@ -55,6 +55,9 @@ bool IsPaymentRequestEnabled();
 // Whether launching actions from Spotlight is enabled.
 bool IsSpotlightActionsEnabled();
 
+// Whether the iOS MDM integration is enabled.
+bool IsMDMIntegrationEnabled();
+
 }  // namespace experimental_flags
 
 #endif  // IOS_CHROME_BROWSER_EXPERIMENTAL_FLAGS_H_