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

chromeos/dbus/session_manager_client.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 "chromeos/dbus/session_manager_client.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <sys/socket.h>
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/task_runner_util.h"
@@ skipping 341 matching lines @@
   void StopArcInstance(const ArcCallback& callback) override {
     dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
                                  login_manager::kSessionManagerStopArcInstance);
     session_manager_proxy_->CallMethod(
         &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
         base::Bind(&SessionManagerClientImpl::OnArcMethod,
                    weak_ptr_factory_.GetWeakPtr(),
                    login_manager::kSessionManagerStopArcInstance, callback));
   }
 
+  void PrioritizeArcInstance(const ArcCallback& callback) override {
+    dbus::MethodCall method_call(
+        login_manager::kSessionManagerInterface,
+        login_manager::kSessionManagerPrioritizeArcInstance);
+    session_manager_proxy_->CallMethod(
+        &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+        base::Bind(&SessionManagerClientImpl::OnArcMethod,
+                   weak_ptr_factory_.GetWeakPtr(),
+                   login_manager::kSessionManagerPrioritizeArcInstance,
+                   callback));
+  }
+
   void GetArcStartTime(const GetArcStartTimeCallback& callback) override {
     dbus::MethodCall method_call(
         login_manager::kSessionManagerInterface,
         login_manager::kSessionManagerGetArcStartTimeTicks);
 
     session_manager_proxy_->CallMethod(
         &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
         base::Bind(&SessionManagerClientImpl::OnGetArcStartTime,
                    weak_ptr_factory_.GetWeakPtr(), callback));
   }
@@ skipping 553 matching lines @@
 
   void CheckArcAvailability(const ArcCallback& callback) override {
     callback.Run(false);
   }
 
   void StartArcInstance(const cryptohome::Identification& cryptohome_id,
                         const ArcCallback& callback) override {
     callback.Run(false);
   }
 
+  void PrioritizeArcInstance(const ArcCallback& callback) override {
+    callback.Run(false);
+  }
+
   void StopArcInstance(const ArcCallback& callback) override {
     callback.Run(false);
   }
 
   void GetArcStartTime(const GetArcStartTimeCallback& callback) override {
     callback.Run(false, base::TimeTicks::Now());
   }
 
   void RemoveArcData(const cryptohome::Identification& cryptohome_id,
                      const ArcCallback& callback) override {
@@ skipping 18 matching lines @@
 
 SessionManagerClient* SessionManagerClient::Create(
     DBusClientImplementationType type) {
   if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
     return new SessionManagerClientImpl();
   DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type);
   return new SessionManagerClientStubImpl();
 }
 
 }  // namespace chromeos