bluetooth: Improve testability

chromeos/dbus/mock_bluetooth_device_client.h

Index: chromeos/dbus/mock_bluetooth_device_client.h
diff --git a/chromeos/dbus/mock_bluetooth_device_client.h b/chromeos/dbus/mock_bluetooth_device_client.h
index 35050e2ce7c73be68459340ac9bc09e33b59a0ba..94cb8c4dccc647693bbbe024f8471de553687816 100644
--- a/chromeos/dbus/mock_bluetooth_device_client.h
+++ b/chromeos/dbus/mock_bluetooth_device_client.h
@@ -14,6 +14,21 @@ namespace chromeos {
 
 class MockBluetoothDeviceClient : public BluetoothDeviceClient {
  public:
+  struct Properties : public BluetoothDeviceClient::Properties {
+    Properties();
+    virtual ~Properties();
+
+    MOCK_METHOD0(ConnectSignals, void());
+
+    MOCK_METHOD2(Get, void(dbus::PropertyBase* property,
+                           dbus::PropertySet::GetCallback callback));
+    MOCK_METHOD0(GetAll, void());
+    MOCK_METHOD2(Set, void(dbus::PropertyBase* property,
+                           dbus::PropertySet::SetCallback callback));
+
+    MOCK_METHOD1(ChangedReceived, void(dbus::Signal*));
+  };
+
   MockBluetoothDeviceClient();
   virtual ~MockBluetoothDeviceClient();