arc: ARC loading progress should not be shown when started from OOBE.

chrome/browser/chromeos/arc/arc_session_manager.h

Index: chrome/browser/chromeos/arc/arc_session_manager.h
diff --git a/chrome/browser/chromeos/arc/arc_session_manager.h b/chrome/browser/chromeos/arc/arc_session_manager.h
index 5c6a16e759de31556166ac3b5dbf846a999b6347..e1e7e13f6bd1c6519fcf357623ad08c0e056c059 100644
--- a/chrome/browser/chromeos/arc/arc_session_manager.h
+++ b/chrome/browser/chromeos/arc/arc_session_manager.h
@@ -210,12 +210,12 @@ class ArcSessionManager : public ArcService,
 
  private:
   // Negotiates the terms of service to user.
-  void StartTermsOfServiceNegotiation();
+  void StartTermsOfServiceNegotiation(bool initial_run);
   void OnTermsOfServiceNegotiated(bool accepted);
 
   void SetState(State state);
   void ShutdownBridge();
-  void OnOptInPreferenceChanged();
+  void OnOptInPreferenceChanged(bool initial_run);
   void OnAndroidManagementPassed();
   void OnArcDataRemoved(bool success);
   void OnArcSignInTimeout();