Speed up ARC boot if the user launches ARC app while ARC is not ready

chromeos/dbus/fake_session_manager_client.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 "chromeos/dbus/fake_session_manager_client.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
@@ skipping 153 matching lines @@
     const ArcCallback& callback) {
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(callback, arc_available_));
 }
 
 void FakeSessionManagerClient::StopArcInstance(const ArcCallback& callback) {
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(callback, arc_available_));
 }
 
+void FakeSessionManagerClient::PrioritizeArcInstance(
+    const ArcCallback& callback) {
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(callback, arc_available_));
+}
+
 void FakeSessionManagerClient::GetArcStartTime(
     const GetArcStartTimeCallback& callback) {
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(callback, arc_available_, base::TimeTicks::Now()));
 }
 
 void FakeSessionManagerClient::RemoveArcData(
     const cryptohome::Identification& cryptohome_id,
     const ArcCallback& callback) {
   if (!callback.is_null()) {
@@ skipping 36 matching lines @@
     const std::string& account_id,
     const std::string& policy_blob) {
   device_local_account_policy_[account_id] = policy_blob;
 }
 
 void FakeSessionManagerClient::OnPropertyChangeComplete(bool success) {
   FOR_EACH_OBSERVER(Observer, observers_, PropertyChangeComplete(success));
 }
 
 }  // namespace chromeos