Start ARC and sign in after Chrome OS login

chrome/browser/chromeos/arc/arc_session_manager.cc

 // 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.
 
 #include "chrome/browser/chromeos/arc/arc_session_manager.h"
 
 #include <utility>
 
 #include "ash/common/shelf/shelf_delegate.h"
 #include "ash/common/wm_shell.h"
@@ skipping 439 matching lines @@
   if (support_host_) {
     support_host_->Close();
     support_host_->RemoveObserver(this);
     support_host_.reset();
   }
   context_.reset();
   profile_ = nullptr;
   SetState(State::NOT_INITIALIZED);
 }
 
-
 void ArcSessionManager::ShutdownSession() {
   arc_sign_in_timer_.Stop();
   playstore_launcher_.reset();
   terms_of_service_negotiator_.reset();
   android_management_checker_.reset();
   arc_session_runner_->RequestStop();
   // TODO(hidehiko): The ARC instance's stopping is asynchronous, so it might
   // still be running when we return from this function. Do not set the
   // STOPPED state immediately here.
   if (state_ != State::NOT_INITIALIZED && state_ != State::REMOVING_DATA_DIR)
@@ skipping 117 matching lines @@
     prefs->SetBoolean(prefs::kArcTermsAccepted, true);
 
   // Skip to show UI asking users to set up ARC OptIn preferences, if all of
   // them are managed by the admin policy. Note that the ToS agreement is anyway
   // not shown in the case of the managed ARC.
   if (IsArcPlayStoreEnabledPreferenceManagedForProfile(profile_) &&
       AreArcAllOptInPreferencesManagedForProfile(profile_)) {
     prefs->SetBoolean(prefs::kArcTermsAccepted, true);
   }
 
-  // If it is marked that sign in has been successfully done, then directly
-  // start ARC.
+  // If it is marked that sign in has been successfully done, if ARC has been
+  // set up to always start, then directly start ARC.
   // For testing, and for Kiosk mode, we also skip ToS negotiation procedure.
   // For backward compatibility, this check needs to be prior to the
   // kArcTermsAccepted check below.
-  if (prefs->GetBoolean(prefs::kArcSignedIn) ||
+  if (prefs->GetBoolean(prefs::kArcSignedIn) || ShouldArcAlwaysStart() ||
       IsArcOptInVerificationDisabled() || IsArcKioskMode()) {
     StartArc();
     // Check Android management in parallel.
     // Note: StartBackgroundAndroidManagementCheck() may call
     // OnBackgroundAndroidManagementChecked() synchronously (or
     // asynchornously). In the callback, Google Play Store enabled preference
     // can be set to false if managed, and it triggers RequestDisable() via
     // ArcPlayStoreEnabledPreferenceHandler.
     // Thus, StartArc() should be called so that disabling should work even
     // if synchronous call case.
@@ skipping 299 matching lines @@
 
 #undef MAP_STATE
 
   // Some compilers report an error even if all values of an enum-class are
   // covered exhaustively in a switch statement.
   NOTREACHED() << "Invalid value " << static_cast<int>(state);
   return os;
 }
 
 }  // namespace arc