Implemented Asynchronous Initialization of BluetoothAdapter.

chrome/browser/extensions/api/bluetooth/bluetooth_extension_function.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/api/bluetooth/bluetooth_extension_function.h"
 
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/extensions/api/bluetooth/bluetooth_api.h"
 #include "chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h"
 #include "chrome/browser/profiles/profile.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
 
 namespace {
 
 const char kPlatformNotSupported[] =
     "This operation is not supported on your platform";
 
 extensions::ExtensionBluetoothEventRouter* GetEventRouter(Profile* profile) {
   return extensions::BluetoothAPI::Get(profile)->bluetooth_event_router();
 }
 
 bool IsBluetoothSupported(Profile* profile) {
   return GetEventRouter(profile)->IsBluetoothSupported();
 }
 
-void RunCallbackOnAdapterReady(
-    const device::BluetoothAdapter::AdapterCallback callback,
+void GetAdapter(
+    const device::BluetoothAdapterFactory::AdapterCallback callback,
     Profile* profile) {
-  GetEventRouter(profile)->RunCallbackOnAdapterReady(callback);
+  GetEventRouter(profile)->GetAdapter(callback);
 }
 
 }  // namespace
 
 namespace extensions {
 
 namespace api {
 
-BluetoothExtensionFunction::BluetoothExtensionFunction()
-    : ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)) {
+BluetoothExtensionFunction::BluetoothExtensionFunction() {
 }
 
 BluetoothExtensionFunction::~BluetoothExtensionFunction() {
 }
 
 bool BluetoothExtensionFunction::RunImpl() {
   if (!IsBluetoothSupported(profile())) {
     SetError(kPlatformNotSupported);
     return false;
   }
-  RunCallbackOnAdapterReady(
-      base::Bind(&BluetoothExtensionFunction::RunOnAdapterReady,
-                 weak_ptr_factory_.GetWeakPtr()),
-      profile());
+  GetAdapter(base::Bind(&BluetoothExtensionFunction::RunOnAdapterReady, this),
+             profile());
+
   return true;
 }
 
 void BluetoothExtensionFunction::RunOnAdapterReady(
     scoped_refptr<device::BluetoothAdapter> adapter) {
   DoWork(adapter);
 }
 
 }  // namespace api
 
 }  // namespace extensions