Add ArcEnabled policy implementation

chrome/browser/chromeos/arc/arc_auth_service.cc

 // Copyright 2015 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_auth_service.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
@@ skipping 176 matching lines @@
 
   profile_ = profile;
   // Reuse storage used in ARC OptIn platform app.
   const std::string site_url =
       base::StringPrintf("%s://%s/persist?%s", content::kGuestScheme,
                          kArcSupportExtensionId, kArcSupportStorageId);
   storage_partition_ = content::BrowserContext::GetStoragePartitionForSite(
       profile_, GURL(site_url));
   CHECK(storage_partition_);
 
-  // In case UI is disabled we assume that ARC is opted-in.
-  if (!IsOptInVerificationDisabled()) {
-    pref_change_registrar_.Init(profile_->GetPrefs());
-    pref_change_registrar_.Add(
-        prefs::kArcEnabled,
-        base::Bind(&ArcAuthService::OnOptInPreferenceChanged,
-                   base::Unretained(this)));
-    if (profile_->GetPrefs()->GetBoolean(prefs::kArcEnabled)) {
-      OnOptInPreferenceChanged();
-    } else {
-      if (!disable_ui_for_testing && profile_->IsNewProfile()) {
-        PrefServiceSyncableFromProfile(profile_)->AddObserver(this);
-        OnIsSyncingChanged();
-      }
+  pref_change_registrar_.Init(profile_->GetPrefs());
+  pref_change_registrar_.Add(
+      prefs::kArcEnabled, base::Bind(&ArcAuthService::OnOptInPreferenceChanged,
+                                     base::Unretained(this)));
+  if (profile_->GetPrefs()->GetBoolean(prefs::kArcEnabled)) {
+    OnOptInPreferenceChanged();
+  } else {
+    if (!disable_ui_for_testing && profile_->IsNewProfile()) {
+      PrefServiceSyncableFromProfile(profile_)->AddObserver(this);
+      OnIsSyncingChanged();
     }
-  } else {
-    auth_code_.clear();
-    StartArc();
   }
 }
 
 void ArcAuthService::OnIsSyncingChanged() {
   syncable_prefs::PrefServiceSyncable* const pref_service_syncable =
       PrefServiceSyncableFromProfile(profile_);
   if (!pref_service_syncable->IsSyncing())
     return;
 
   pref_service_syncable->RemoveObserver(this);
@@ skipping 59 matching lines @@
   VLOG(2) << "Failed to get ubertoken " << error.ToString() << ".";
   OnAuthCodeFailed();
 }
 
 void ArcAuthService::OnOptInPreferenceChanged() {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(profile_);
 
   if (profile_->GetPrefs()->GetBoolean(prefs::kArcEnabled)) {
     if (state_ != State::ACTIVE) {
-      CloseUI();
       auth_code_.clear();
 
-      if (!profile_->GetPrefs()->GetBoolean(prefs::kArcSignedIn)) {
-        // Need pre-fetch auth code and show OptIn UI if needed.
-        initial_opt_in_ = true;
-        SetState(State::FETCHING_CODE);
-        FetchAuthCode();
+      if (!IsOptInVerificationDisabled()) {
+        CloseUI();
+        if (!profile_->GetPrefs()->GetBoolean(prefs::kArcSignedIn)) {
+          // Need pre-fetch auth code and show OptIn UI if needed.
+          initial_opt_in_ = true;
+          SetState(State::FETCHING_CODE);
+          FetchAuthCode();
+        } else {
+          // Ready to start Arc.
+          StartArc();
+        }
       } else {
-        // Ready to start Arc.
         StartArc();
       }
     }
   } else {
     ShutdownBridgeAndCloseUI();
   }
 }
 
 void ArcAuthService::ShutdownBridge() {
   auth_callback_.reset();
@@ skipping 159 matching lines @@
       return os << kStateFetchingCode;
     case ArcAuthService::State::ACTIVE:
       return os << kStateActive;
     default:
       NOTREACHED();
       return os;
   }
 }
 
 }  // namespace arc