Show notification during ARC managed provision

chrome/browser/chromeos/arc/arc_session_manager.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_ARC_ARC_SESSION_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_ARC_ARC_SESSION_MANAGER_H_
 
 #include <memory>
 #include <ostream>
 #include <string>
@@ skipping 76 matching lines @@
     ACTIVE,
   };
 
   // Observer for those services outside of ARC which want to know ARC events.
   class Observer {
    public:
     // Called to notify that whether Google Play Store is enabled or not, which
     // 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() {}
 
     // Called when ARC session is stopped, and is not being restarted
     // automatically.
     virtual void OnArcSessionStopped(ArcStopReason stop_reason) {}
 
     // Called to notify that Android data has been removed. Used in
     // 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;
   };
 
   explicit ArcSessionManager(
       std::unique_ptr<ArcSessionRunner> arc_session_runner);
   ~ArcSessionManager() override;
 
   static ArcSessionManager* Get();
 
@@ skipping 180 matching lines @@
   // MaybeReenableArc() directly.
   void MaybeStartArcDataRemoval();
   void OnArcDataRemoved(bool success);
 
   // On ARC session stopped and/or data removal completion, this is called
   // so that, if necessary, ARC session is restarted.
   // TODO(hidehiko): This can be removed after the racy state machine
   // 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.
   Profile* profile_ = nullptr;
 
   // Whether ArcSessionManager is requested to enable (starting to run ARC
   // instance) or not.
   bool enable_requested_ = false;
 
   // Internal state machine. See also State enum class.
@@ skipping 25 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(ArcSessionManager);
 };
 
 // Outputs the stringified |state| to |os|. This is only for logging purposes.
 std::ostream& operator<<(std::ostream& os,
                          const ArcSessionManager::State& state);
 
 }  // namespace arc
 
 #endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_SESSION_MANAGER_H_