Add ArcEnabled policy implementation

chrome/browser/policy/configuration_policy_handler_list_factory.cc

 // Copyright 2013 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/policy/configuration_policy_handler_list_factory.h"
 
 #include <limits.h>
 #include <stddef.h>
 #include <utility>
 
@@ skipping 484 matching lines @@
     base::Value::TYPE_BOOLEAN },
   { key::kCaptivePortalAuthenticationIgnoresProxy,
     prefs::kCaptivePortalAuthenticationIgnoresProxy,
     base::Value::TYPE_BOOLEAN },
   { key::kForceMaximizeOnFirstRun,
     prefs::kForceMaximizeOnFirstRun,
     base::Value::TYPE_BOOLEAN },
   { key::kUnifiedDesktopEnabledByDefault,
     prefs::kUnifiedDesktopEnabledByDefault,
     base::Value::TYPE_BOOLEAN },
+  { key::kArcEnabled,
+    prefs::kArcEnabled,
+    base::Value::TYPE_BOOLEAN },
 #endif  // defined(OS_CHROMEOS)
 
 // Metrics reporting is controlled by a platform specific policy for ChromeOS
 #if defined(OS_CHROMEOS)
   { key::kDeviceMetricsReportingEnabled,
     metrics::prefs::kMetricsReportingEnabled,
     base::Value::TYPE_BOOLEAN },
 #else
   { key::kMetricsReportingEnabled,
     metrics::prefs::kMetricsReportingEnabled,
@@ skipping 309 matching lines @@
       SimpleSchemaValidatingPolicyHandler::RECOMMENDED_ALLOWED,
       SimpleSchemaValidatingPolicyHandler::MANDATORY_PROHIBITED)));
   handlers->AddHandler(make_scoped_ptr(
       new chromeos::KeyPermissionsPolicyHandler(chrome_schema)));
 #endif  // defined(OS_CHROMEOS)
 
   return handlers;
 }
 
 }  // namespace policy