cros: Prevent shut down on lid-close during migration.

chrome/browser/ui/webui/chromeos/login/encryption_migration_screen_handler.cc

 // Copyright 2017 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/ui/webui/chromeos/login/encryption_migration_screen_handler.h"
 
 #include <cmath>
 #include <string>
 #include <utility>
 
@@ skipping 11 matching lines @@
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/grit/generated_resources.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/cryptohome/async_method_caller.h"
 #include "chromeos/cryptohome/homedir_methods.h"
 #include "chromeos/dbus/cryptohome_client.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_manager/power_supply_properties.pb.h"
 #include "chromeos/dbus/power_manager_client.h"
+#include "chromeos/dbus/power_policy_controller.h"
 #include "components/login/localized_values_builder.h"
 #include "components/user_manager/user_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "device/power_save_blocker/power_save_blocker.h"
 #include "ui/base/text/bytes_formatting.h"
 
 namespace {
 
 constexpr char kJsScreenPath[] = "login.EncryptionMigrationScreen";
 
@@ skipping 233 matching lines @@
     return;
 
   current_ui_state_ = state;
   CallJS("setUIState", static_cast<int>(state));
 
   // When this handler is about to show the READY screen, we should get the
   // latest battery status and show it on the screen.
   if (state == UIState::READY)
     DBusThreadManager::Get()->GetPowerManagerClient()->RequestStatusUpdate();
 
-  // We should block power save during migration.
-  if (state == UIState::MIGRATING)
+  // We should block power save and not poweroff on lid close during migration.

[Daniel Erat, 2017/05/30 23:41:47]

nit: s/poweroff/shut down/

[dspaid, 2017/05/30 23:46:39]

Done.

+  if (state == UIState::MIGRATING) {
     StartBlockingPowerSave();
-  else
+    PowerPolicyController::Get()->SetEncryptionMigrationActive(true);
+  } else {
     StopBlockingPowerSave();
+    PowerPolicyController::Get()->SetEncryptionMigrationActive(false);
+  }
 }
 
 void EncryptionMigrationScreenHandler::CheckAvailableStorage() {
   base::PostTaskWithTraitsAndReplyWithResult(
       FROM_HERE, {base::MayBlock(), base::TaskPriority::USER_VISIBLE},
       base::Bind(&base::SysInfo::AmountOfFreeDiskSpace,
                  base::FilePath(kCheckStoragePath)),
       base::Bind(&EncryptionMigrationScreenHandler::OnGetAvailableStorage,
                  weak_ptr_factory_.GetWeakPtr()));
 }
@@ skipping 155 matching lines @@
 }
 
 void EncryptionMigrationScreenHandler::OnMigrationRequested(bool success) {
   if (!success) {
     LOG(ERROR) << "Requesting MigrateToDircrypto failed.";
     UpdateUIState(UIState::MIGRATION_FAILED);
   }
 }
 
 }  // namespace chromeos