Policy implementation for encryptfs to ext4 migration strategy

chrome/browser/chromeos/arc/arc_session_manager.cc

Index: chrome/browser/chromeos/arc/arc_session_manager.cc
diff --git a/chrome/browser/chromeos/arc/arc_session_manager.cc b/chrome/browser/chromeos/arc/arc_session_manager.cc
index e623a1dbb05e09bc378f75f77cbe5a96511dab1e..1560c77627774e1cc7687b453bf3460d8176955b 100644
--- a/chrome/browser/chromeos/arc/arc_session_manager.cc
+++ b/chrome/browser/chromeos/arc/arc_session_manager.cc
@@ -629,6 +629,16 @@ void ArcSessionManager::RequestDisable() {
 void ArcSessionManager::RequestArcDataRemoval() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   DCHECK(profile_);
+
+  // The check if migration is allowed is done to make sure the data is not
+  // removed if the device had ARC enabled and became disabled as result of
+  // migration to ext4 policy.
+  // TODO(igorcov): Remove ArcAvailabilityPolicyStatus check after migration.
+  // crbug.com/725493
+  if (!arc::IsMigrationAllowed()) {
+    return;
+  }
+
   // TODO(hidehiko): DCHECK the previous state. This is called for four cases;
   // 1) Supporting managed user initial disabled case (Please see also
   //    ArcPlayStoreEnabledPreferenceHandler::Start() for details).