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 116 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)));
-    OnOptInPreferenceChanged();
-  } else {
-    auth_code_.clear();
-    ArcBridgeService::Get()->HandleStartup();
-    SetState(State::ENABLE);
-  }
+  pref_change_registrar_.Init(profile_->GetPrefs());
+  pref_change_registrar_.Add(
+      prefs::kArcEnabled, base::Bind(&ArcAuthService::OnOptInPreferenceChanged,
+                                     base::Unretained(this)));
+  OnOptInPreferenceChanged();
 }
 
 void ArcAuthService::Shutdown() {
   ShutdownBridgeAndCloseUI();
   profile_ = nullptr;
   pref_change_registrar_.RemoveAll();
 }
 
 void ArcAuthService::OnMergeSessionSuccess(const std::string& data) {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 29 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::ENABLE) {
-      CloseUI();
       auth_code_.clear();
-      SetState(State::FETCHING_CODE);
-      FetchAuthCode();
+      if (!IsOptInVerificationDisabled()) {
+        CloseUI();
+        SetState(State::FETCHING_CODE);
+        FetchAuthCode();
+      } else {
+        ArcBridgeService::Get()->HandleStartup();
+        SetState(State::ENABLE);
+      }
     }
   } else {
     ShutdownBridgeAndCloseUI();
   }
 }
 
 void ArcAuthService::ShutdownBridgeAndCloseUI() {
   CloseUI();
   auth_fetcher_.reset();
   ubertoken_fethcher_.reset();
@@ skipping 100 matching lines @@
       return os << kStateNoCode;
     case ArcAuthService::State::ENABLE:
       return os << kStateEnable;
     default:
       NOTREACHED();
       return os;
   }
 }
 
 }  // namespace arc