Show notification during ARC managed provision

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 a9bf4f5e188b6e5bc026b322d814e1f020a89011..23ecca6bfd392c41a87d647281ee5c2d4b306007 100644
--- a/chrome/browser/chromeos/arc/arc_session_manager.h
+++ b/chrome/browser/chromeos/arc/arc_session_manager.h
@@ -94,6 +94,10 @@ class ArcSessionManager : public ArcSessionRunner::Observer,
     // is represented by "arc.enabled" preference, is updated.
     virtual void OnArcPlayStoreEnabledChanged(bool enabled) {}
 
+    // Called to notify that checking of Android management status started
+    // during the opt-in flow.
+    virtual void OnArcOptInManagementCheckStarted() {}
+
     // Called to notify that ARC has been initialized successfully.
     virtual void OnArcInitialStart() {}
 
@@ -105,6 +109,11 @@ class ArcSessionManager : public ArcSessionRunner::Observer,
     // browser_tests
     virtual void OnArcDataRemoved() {}
 
+    // Called to notify that the error is requested by the session manager to be
+    // displayed in the support host. Note that this is not called in cases when
+    // the support app switches to an error page by itself.

[hidehiko, 2017/04/12 04:51:34]

nit: could you add comment that "this is called even if Support UI is disabled"?

[emaxx, 2017/04/12 13:06:46]

Done.

+    virtual void OnArcErrorShowRequested(ArcSupportHost::Error error) {}
+
    protected:
     virtual ~Observer() = default;
   };
@@ -305,6 +314,11 @@ class ArcSessionManager : public ArcSessionRunner::Observer,
   // is fixed.
   void MaybeReenableArc();
 
+  // Requests the support host (if it exists) to show the error, and notifies
+  // the observers.
+  void ShowArcSupportHostError(ArcSupportHost::Error error,
+                               bool should_show_send_feedback);
+
   std::unique_ptr<ArcSessionRunner> arc_session_runner_;
 
   // Unowned pointer. Keeps current profile.