device/bluetooth: Add checks to BluetoothAdapter overrides.

device/bluetooth/bluetooth_audio_sink_chromeos.cc

 // Copyright 2015 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 "device/bluetooth/bluetooth_audio_sink_chromeos.h"
 
 #include <unistd.h>
 
 #include <algorithm>
 #include <sstream>
@@ skipping 209 matching lines @@
 
 BluetoothMediaEndpointServiceProvider*
     BluetoothAudioSinkChromeOS::GetEndpointServiceProvider() {
   return media_endpoint_.get();
 }
 
 void BluetoothAudioSinkChromeOS::AdapterPresentChanged(
     device::BluetoothAdapter* adapter, bool present) {
   VLOG(1) << "AdapterPresentChanged: " << present;
 
+  if (adapter != adapter_.get())
+    return;
+
   if (adapter->IsPresent()) {
     StateChanged(BluetoothAudioSink::STATE_DISCONNECTED);
   } else {
     adapter_->RemoveObserver(this);
     StateChanged(BluetoothAudioSink::STATE_INVALID);
   }
 }
 
 void BluetoothAudioSinkChromeOS::AdapterPoweredChanged(
     device::BluetoothAdapter* adapter, bool powered) {
   VLOG(1) << "AdapterPoweredChanged: " << powered;
 
+  if (adapter != adapter_.get())
+    return;
+
   // Regardless of the new powered state, |state_| goes to STATE_DISCONNECTED.
   // If false, the transport is closed, but the endpoint is still valid for use.
   // If true, the previous transport has been torn down, so the |state_| has to
   // be disconnected before SetConfigruation is called.
   if (state_ != BluetoothAudioSink::STATE_INVALID)
     StateChanged(BluetoothAudioSink::STATE_DISCONNECTED);
 }
 
 void BluetoothAudioSinkChromeOS::MediaRemoved(const ObjectPath& object_path) {
   if (object_path == media_path_) {
@@ skipping 308 matching lines @@
 }
 
 void BluetoothAudioSinkChromeOS::ResetEndpoint() {
   VLOG(1) << "ResetEndpoint";
 
   endpoint_path_ = ObjectPath("");
   media_endpoint_ = nullptr;
 }
 
 }  // namespace chromeos