[WebMIDI] [Android] Set appropriate port properties.

media/midi/usb_midi_input_stream_unittest.cc

Index: media/midi/usb_midi_input_stream_unittest.cc
diff --git a/media/midi/usb_midi_input_stream_unittest.cc b/media/midi/usb_midi_input_stream_unittest.cc
index 0ec1568aabc6d1d6b463b48fd6b3b55d617f027e..f767be257acc2ea66b8df74e5304ebb79643faf2 100644
--- a/media/midi/usb_midi_input_stream_unittest.cc
+++ b/media/midi/usb_midi_input_stream_unittest.cc
@@ -23,7 +23,10 @@ class TestUsbMidiDevice : public UsbMidiDevice {
  public:
   TestUsbMidiDevice() {}
   ~TestUsbMidiDevice() override {}
-  std::vector<uint8> GetDescriptor() override { return std::vector<uint8>(); }
+  std::vector<uint8> GetDescriptors() override { return std::vector<uint8>(); }
+  std::string GetManufacturer() override { return std::string(); }
+  std::string GetProductName() override { return std::string(); }
+  uint16 GetDeviceVersion() override { return 0; }
   void Send(int endpoint_number, const std::vector<uint8>& data) override {}
 
  private: