device/bluetooth:Implement BluetoothMediaEndpointServiceProvider delegate and media-related overrid…

chromeos/dbus/fake_bluetooth_media_transport_client.h

Index: chromeos/dbus/fake_bluetooth_media_transport_client.h
diff --git a/chromeos/dbus/fake_bluetooth_media_transport_client.h b/chromeos/dbus/fake_bluetooth_media_transport_client.h
index ce33dc073eb2a228dbc6621283f111f0db2cf444..e765c6c60d614c06bc625048f73db13c6f9d62cf 100644
--- a/chromeos/dbus/fake_bluetooth_media_transport_client.h
+++ b/chromeos/dbus/fake_bluetooth_media_transport_client.h
@@ -5,8 +5,11 @@
 #ifndef CHROMEOS_DBUS_FAKE_BLUETOOTH_MEDIA_TRANSPORT_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_BLUETOOTH_MEDIA_TRANSPORT_CLIENT_H_
 
+#include <map>
 #include <string>
+#include <vector>
 
+#include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "chromeos/chromeos_export.h"
 #include "chromeos/dbus/bluetooth_media_transport_client.h"
@@ -28,6 +31,17 @@ class CHROMEOS_EXPORT FakeBluetoothMediaTransportClient
              dbus::PropertySet::SetCallback callback) override;
   };
 
+  // The default path of the transport object.
+  static const char kTransportPath[];
+
+  // The default properties including device, codec, configuration, state, delay
+  // and volume, owned by a fake media transport object we emulate.
+  static const char kTransportDevicePath[];
+  static const uint8_t kTransportCodec;
+  static const std::vector<uint8_t> kTransportConfiguration;
+  static const uint16_t kTransportDelay;
+  static const uint16_t kTransportVolume;
+
   FakeBluetoothMediaTransportClient();
   ~FakeBluetoothMediaTransportClient() override;
 
@@ -48,7 +62,22 @@ class CHROMEOS_EXPORT FakeBluetoothMediaTransportClient
                const base::Closure& callback,
                const ErrorCallback& error_callback) override;
 
+  // Makes the transport visible or invisible for a given media endpoint path.
+  void SetVisible(const dbus::ObjectPath& endpoint_path, bool visible);
+
  private:
+  // Property callback passed while a Properties structure is created.
+  void OnPropertyChanged(const std::string& property_name);
+
+  // The path of the media transport object.
+  dbus::ObjectPath object_path_;
+
+  // Pairs of endpoint paths and their visibility to the transport object.
+  std::map<dbus::ObjectPath, bool> endpoints_;
+
+  // The fake property set of the media transport object.
+  scoped_ptr<Properties> properties_;
+
   ObserverList<BluetoothMediaTransportClient::Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeBluetoothMediaTransportClient);