bluetooth: BluetoothAdapterDeleter used to control BluetoothAdapter destruction.

device/bluetooth/bluetooth_adapter_chromeos.cc

Index: device/bluetooth/bluetooth_adapter_chromeos.cc
diff --git a/device/bluetooth/bluetooth_adapter_chromeos.cc b/device/bluetooth/bluetooth_adapter_chromeos.cc
index 847299431fd04fedb82d229fd54bcd849fe43bd7..bde6152665370826962b2986906226ab63455038 100644
--- a/device/bluetooth/bluetooth_adapter_chromeos.cc
+++ b/device/bluetooth/bluetooth_adapter_chromeos.cc
@@ -7,6 +7,7 @@
 #include <string>
 
 #include "base/bind.h"
+#include "base/location.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/sequenced_task_runner.h"
@@ -110,6 +111,11 @@ BluetoothAdapterChromeOS::~BluetoothAdapterChromeOS() {
           base::Bind(&OnUnregisterAgentError));
 }
 
+void BluetoothAdapterChromeOS::DeleteOnCorrectThread() const {
+  if (!ui_task_runner_->DeleteSoon(FROM_HERE, this))
+    delete this;
+}
+
 void BluetoothAdapterChromeOS::AddObserver(
     BluetoothAdapter::Observer* observer) {
   DCHECK(observer);