arc: Add cryptohome_id to EmitArcBooted.

chromeos/dbus/session_manager_client.cc

Index: chromeos/dbus/session_manager_client.cc
diff --git a/chromeos/dbus/session_manager_client.cc b/chromeos/dbus/session_manager_client.cc
index 02d0a1b18884f4206b46847845dfa290f06f2267..b09d8c0a50ab4e43da9a5879f4d6b93f46a731ff 100644
--- a/chromeos/dbus/session_manager_client.cc
+++ b/chromeos/dbus/session_manager_client.cc
@@ -362,9 +362,17 @@ class SessionManagerClientImpl : public SessionManagerClient {
                    callback));
   }
 
-  void EmitArcBooted() override {
-    SimpleMethodCallToSessionManager(
-        login_manager::kSessionManagerEmitArcBooted);
+  void EmitArcBooted(const cryptohome::Identification& cryptohome_id,
+                     const ArcCallback& callback) override {
+    dbus::MethodCall method_call(login_manager::kSessionManagerInterface,
+                                 login_manager::kSessionManagerEmitArcBooted);
+    dbus::MessageWriter writer(&method_call);
+    writer.AppendString(cryptohome_id.id());
+    session_manager_proxy_->CallMethod(
+        &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+        base::Bind(&SessionManagerClientImpl::OnArcMethod,
+                   weak_ptr_factory_.GetWeakPtr(),
+                   login_manager::kSessionManagerEmitArcBooted, callback));
   }
 
   void GetArcStartTime(const GetArcStartTimeCallback& callback) override {
@@ -962,7 +970,11 @@ class SessionManagerClientStubImpl : public SessionManagerClient {
     callback.Run(false);
   }
 
-  void EmitArcBooted() override {}
+  void EmitArcBooted(const cryptohome::Identification& cryptohome_id,
+                     const ArcCallback& callback) override {
+    if (!callback.is_null())

[Luis Héctor Chávez, 2017/02/15 19:02:11]

same here, why would |callback| be null?

[xzhou, 2017/02/16 18:34:51]

Done.

+      callback.Run(false);
+  }
 
   void StopArcInstance(const ArcCallback& callback) override {
     callback.Run(false);