dbus: add ObjectPath type

chrome/browser/chromeos/dbus/bluetooth_manager_client.cc

Index: chrome/browser/chromeos/dbus/bluetooth_manager_client.cc
diff --git a/chrome/browser/chromeos/dbus/bluetooth_manager_client.cc b/chrome/browser/chromeos/dbus/bluetooth_manager_client.cc
index 12f1e8a39dd603dc5b8cabe0a067967d6f92c4c4..8167e6ad67b586c17cb96d05db1cdcd2b59729ab 100644
--- a/chrome/browser/chromeos/dbus/bluetooth_manager_client.cc
+++ b/chrome/browser/chromeos/dbus/bluetooth_manager_client.cc
@@ -9,6 +9,7 @@
 #include "chrome/browser/chromeos/system/runtime_environment.h"
 #include "dbus/bus.h"
 #include "dbus/message.h"
+#include "dbus/object_path.h"
 #include "dbus/object_proxy.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
@@ -91,7 +92,7 @@ class BluetoothManagerClientImpl : public BluetoothManagerClient {
   void AdapterAddedReceived(dbus::Signal* signal) {
     DCHECK(signal);
     dbus::MessageReader reader(signal);
-    std::string object_path;
+    dbus::ObjectPath object_path;
     if (!reader.PopObjectPath(&object_path)) {
       LOG(ERROR) << "AdapterAdded signal has incorrect parameters: "
           << signal->ToString();
@@ -112,7 +113,7 @@ class BluetoothManagerClientImpl : public BluetoothManagerClient {
   void AdapterRemovedReceived(dbus::Signal* signal) {
     DCHECK(signal);
     dbus::MessageReader reader(signal);
-    std::string object_path;
+    dbus::ObjectPath object_path;
     if (!reader.PopObjectPath(&object_path)) {
       LOG(ERROR) << "AdapterRemoved signal has incorrect parameters: "
           << signal->ToString();
@@ -133,14 +134,14 @@ class BluetoothManagerClientImpl : public BluetoothManagerClient {
   void DefaultAdapterChangedReceived(dbus::Signal* signal) {
     DCHECK(signal);
     dbus::MessageReader reader(signal);
-    std::string adapter;
-    if (!reader.PopObjectPath(&adapter)) {
+    dbus::ObjectPath object_path;
+    if (!reader.PopObjectPath(&object_path)) {
       LOG(ERROR) << "DefaultAdapterChanged signal has incorrect parameters: "
           << signal->ToString();
       return;
     }
-    VLOG(1) << "Default adapter changed: " << adapter;
-    FOR_EACH_OBSERVER(Observer, observers_, DefaultAdapterChanged(adapter));
+    VLOG(1) << "Default adapter changed: " << object_path;
+    FOR_EACH_OBSERVER(Observer, observers_, DefaultAdapterChanged(object_path));
   }
 
   // Called by dbus:: when the DefaultAdapterChanged signal is initially
@@ -157,7 +158,7 @@ class BluetoothManagerClientImpl : public BluetoothManagerClient {
                         dbus::Response* response) {
     // Parse response.
     bool success = false;
-    std::string adapter;
+    dbus::ObjectPath adapter;
     if (response != NULL) {
       dbus::MessageReader reader(response);
       if (!reader.PopObjectPath(&adapter)) {