Remove retail mode.

chrome/browser/chromeos/legacy_retail_mode_detector.cc

+// Copyright (c) 2012 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/legacy_retail_mode_detector.h"
+
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/lazy_instance.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
+#include "chrome/browser/chromeos/settings/device_settings_service.h"
+#include "chrome/browser/lifetime/application_lifetime.h"
+#include "chromeos/chromeos_switches.h"
+#include "components/policy/core/common/cloud/cloud_policy_constants.h"
+#include "content/public/browser/browser_thread.h"
+
+namespace chromeos {
+
+namespace {
+const int kDeviceModeFetchRetryDelayMs = 200;
+}
+
+static base::LazyInstance<LegacyRetailModeDetector> g_kiosk_mode_settings =
+    LAZY_INSTANCE_INITIALIZER;
+
+// static
+LegacyRetailModeDetector* LegacyRetailModeDetector::Get() {
+  return g_kiosk_mode_settings.Pointer();
+}
+
+bool LegacyRetailModeDetector::IsKioskModeEnabled() {
+  return is_kiosk_mode_;
+}
+
+LegacyRetailModeDetector::LegacyRetailModeDetector() {
+  // In case we've force-enabled kiosk mode.
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableKioskMode)) {
+    is_kiosk_mode_ = true;
+    return;
+  }
+
+  // Precache the value as we know it at construction time to avoid serving
+  // different values to different users.
+  if (g_browser_process) {
+    policy::BrowserPolicyConnectorChromeOS* connector =
+        g_browser_process->platform_part()->browser_policy_connector_chromeos();
+    policy::DeviceMode device_mode = connector->GetDeviceMode();
+    if (device_mode == policy::DEVICE_MODE_LEGACY_RETAIL_MODE) {
+      is_kiosk_mode_ = true;
+      return;
+    } else if (device_mode == policy::DEVICE_MODE_PENDING) {

[bartfab (slow), 2014/11/27 16:25:47]

Handling policy::DEVICE_MODE_PENDING is unnecessary. The
EnterpriseInstallAttributes class was recently rewritten so that it always
synchronously loads the mode on startup. You can rely on the mode being
available straight away.

[rkc, 2014/12/01 19:15:04]

Acknowledged.

+      DeviceSettingsService::Get()->GetOwnershipStatusAsync(
+          base::Bind(&LegacyRetailModeDetector::VerifyModeIsKnown,
+                     base::Unretained(this)));
+    }
+  }
+  is_kiosk_mode_ = false;
+}
+
+LegacyRetailModeDetector::~LegacyRetailModeDetector() {
+}
+
+void LegacyRetailModeDetector::VerifyModeIsKnown(
+    DeviceSettingsService::OwnershipStatus status) {
+  if (status != DeviceSettingsService::OWNERSHIP_TAKEN)
+    return;
+
+  if (g_browser_process) {
+    policy::BrowserPolicyConnectorChromeOS* connector =
+        g_browser_process->platform_part()->browser_policy_connector_chromeos();
+    policy::DeviceMode device_mode = connector->GetDeviceMode();
+    // We retry asking for the mode until it becomes known.
+    switch (device_mode) {
+      case policy::DEVICE_MODE_PENDING:
+        content::BrowserThread::PostDelayedTask(
+            content::BrowserThread::UI, FROM_HERE,
+            base::Bind(&LegacyRetailModeDetector::VerifyModeIsKnown,
+                       base::Unretained(this), status),
+            base::TimeDelta::FromMilliseconds(kDeviceModeFetchRetryDelayMs));
+        break;
+      case policy::DEVICE_MODE_LEGACY_RETAIL_MODE:
+        chrome::AttemptRestart();
+        break;
+      default:
+        break;
+    }
+  }
+}
+
+}  // namespace chromeos