device/bluetooth: Add read_mtu as an argument of BluetoothAudioSinkDataAvailable.

chromeos/dbus/fake_bluetooth_media_transport_client.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromeos/dbus/fake_bluetooth_media_transport_client.h"
 
 #include <unistd.h>
 #include <sys/socket.h>
 
 #include <sstream>
@@ skipping 12 matching lines @@
 namespace {
 
 // TODO(mcchou): Remove this constants once it is in cros_system_api.
 const char kBluetoothMediaTransportInterface[] = "org.bluez.MediaTransport1";
 const char kNotImplemented[] = "org.bluez.NotImplemented";
 const char kNotAuthorized[] = "org.bluez.NotAuthorized";
 const char kFailed[] = "org.bluez.Failed";
 const char kNotAvailable[] = "org.bluez.NotAvailable";
 
 const int kInvalidFd = -1;
-const uint16_t kReadMtu = 20;
-const uint16_t kWriteMtu = 25;
 
 ObjectPath GenerateTransportPath() {
   static unsigned int sequence_number = 0;
   ++sequence_number;
   std::stringstream path;
   path << chromeos::FakeBluetoothAdapterClient::kAdapterPath
        << chromeos::FakeBluetoothMediaTransportClient::kTransportDevicePath
        << "/fd" << sequence_number;
   return ObjectPath(path.str());
 }
 
 }  // namespace
 
 namespace chromeos {
 
 // static
 const char FakeBluetoothMediaTransportClient::kTransportDevicePath[] =
     "/fake_audio_source";
 const uint8_t FakeBluetoothMediaTransportClient::kTransportCodec = 0x00;
 const std::vector<uint8_t>
     FakeBluetoothMediaTransportClient::kTransportConfiguration = {
         0x21, 0x15, 0x33, 0x2C};
 const uint16_t FakeBluetoothMediaTransportClient::kTransportDelay = 5;
 const uint16_t FakeBluetoothMediaTransportClient::kTransportVolume = 50;
+const uint16_t FakeBluetoothMediaTransportClient::kDefaultReadMtu = 20;
+const uint16_t FakeBluetoothMediaTransportClient::kDefaultWriteMtu = 25;
 
 FakeBluetoothMediaTransportClient::Properties::Properties(
     const PropertyChangedCallback& callback)
     : BluetoothMediaTransportClient::Properties(
         nullptr,
         kBluetoothMediaTransportInterface,
         callback) {
 }
 
 FakeBluetoothMediaTransportClient::Properties::~Properties() {
@@ skipping 243 matching lines @@
   int fds[2];
   if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds) < 0) {
     transport->input_fd.reset();
     error_callback.Run(kFailed, "");
     return;
   }
   DCHECK((fds[0] > kInvalidFd) && (fds[1] > kInvalidFd));
   transport->input_fd.reset(new base::File(fds[0]));
 
   dbus::FileDescriptor out_fd(fds[1]);
-  callback.Run(&out_fd, kReadMtu, kWriteMtu);
+  callback.Run(&out_fd, kDefaultReadMtu, kDefaultWriteMtu);
   SetState(endpoint_path, "active");
 }
 
 }  // namespace chromeos