Add ArcAuthService to handle IPC request from ARC

components/arc/arc_bridge_service.cc

 // Copyright 2015 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 "components/arc/arc_bridge_service.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/sequenced_task_runner.h"
@@ skipping 62 matching lines @@
 
 void ArcBridgeService::CloseAppChannel() {
   DCHECK(CalledOnValidThread());
   if (!app_ptr_)
     return;
 
   app_ptr_.reset();
   FOR_EACH_OBSERVER(Observer, observer_list(), OnAppInstanceClosed());
 }
 
+void ArcBridgeService::OnAuthInstanceReady(AuthInstancePtr auth_ptr) {
+  DCHECK(CalledOnValidThread());
+  temporary_auth_ptr_ = std::move(auth_ptr);
+  temporary_auth_ptr_.QueryVersion(base::Bind(
+      &ArcBridgeService::OnAuthVersionReady, weak_factory_.GetWeakPtr()));
+}
+
+void ArcBridgeService::OnAuthVersionReady(int32_t version) {
+  DCHECK(CalledOnValidThread());
+  auth_ptr_ = std::move(temporary_auth_ptr_);
+  FOR_EACH_OBSERVER(Observer, observer_list(), OnAuthInstanceReady());
+  auth_ptr_.set_connection_error_handler(base::Bind(
+      &ArcBridgeService::CloseAuthChannel, weak_factory_.GetWeakPtr()));
+}
+
+void ArcBridgeService::CloseAuthChannel() {
+  DCHECK(CalledOnValidThread());
+  if (!input_ptr_)
+    return;
+
+  auth_ptr_.reset();
+  FOR_EACH_OBSERVER(Observer, observer_list(), OnAuthInstanceClosed());
+}
+
 void ArcBridgeService::OnInputInstanceReady(InputInstancePtr input_ptr) {
   DCHECK(CalledOnValidThread());
   temporary_input_ptr_ = std::move(input_ptr);
   temporary_input_ptr_.QueryVersion(base::Bind(
       &ArcBridgeService::OnInputVersionReady, weak_factory_.GetWeakPtr()));
 }
 
 void ArcBridgeService::OnInputVersionReady(int32_t version) {
   DCHECK(CalledOnValidThread());
   input_ptr_ = std::move(temporary_input_ptr_);
@@ skipping 126 matching lines @@
 }
 
 bool ArcBridgeService::CalledOnValidThread() {
   return thread_checker_.CalledOnValidThread();
 }
 
 void ArcBridgeService::CloseAllChannels() {
   // Call all the error handlers of all the channels to both close the channel
   // and notify any observers that the channel is closed.
   CloseAppChannel();
+  CloseAuthChannel();
   CloseInputChannel();
   CloseNotificationsChannel();
   ClosePowerChannel();
   CloseProcessChannel();
   CloseSettingsChannel();
 }
 
 }  // namespace arc