bluetooth: Move FactoryWrapper to device and expose a function for testing in chooser controller

content/browser/bluetooth/bluetooth_adapter_factory_wrapper.cc

Index: content/browser/bluetooth/bluetooth_adapter_factory_wrapper.cc
diff --git a/content/browser/bluetooth/bluetooth_adapter_factory_wrapper.cc b/content/browser/bluetooth/bluetooth_adapter_factory_wrapper.cc
deleted file mode 100644
index 5623d5177fc0740cb670a41ec8811c7655ae8744..0000000000000000000000000000000000000000
--- a/content/browser/bluetooth/bluetooth_adapter_factory_wrapper.cc
+++ /dev/null
@@ -1,146 +0,0 @@
-// Copyright 2016 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 "content/browser/bluetooth/bluetooth_adapter_factory_wrapper.h"
-
-#include <stddef.h>
-
-#include <utility>
-
-#include "base/threading/thread_task_runner_handle.h"
-#include "base/time/time.h"
-#include "content/public/browser/browser_thread.h"
-#include "device/bluetooth/bluetooth_adapter_factory.h"
-
-using device::BluetoothAdapter;
-using device::BluetoothAdapterFactory;
-
-namespace {
-// TODO(ortuno): Once we have a chooser for scanning and a way to control that
-// chooser from tests we should delete this constant.
-// https://crbug.com/436280
-enum { kTestingScanDuration = 0 };  // No need to wait when testing.
-enum { kScanDuration = 10 };
-}  // namespace
-
-namespace content {
-
-BluetoothAdapterFactoryWrapper::BluetoothAdapterFactoryWrapper()
-    : scan_duration_(base::TimeDelta::FromSecondsD(kScanDuration)),
-      testing_(false),
-      weak_ptr_factory_(this) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-}
-
-BluetoothAdapterFactoryWrapper::~BluetoothAdapterFactoryWrapper() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  // All observers should have been removed already.
-  DCHECK(adapter_observers_.empty());
-  // Clear adapter.
-  set_adapter(scoped_refptr<device::BluetoothAdapter>());
-}
-
-bool BluetoothAdapterFactoryWrapper::IsBluetoothAdapterAvailable() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  return BluetoothAdapterFactory::IsBluetoothAdapterAvailable() || testing_;
-}
-
-void BluetoothAdapterFactoryWrapper::AcquireAdapter(
-    device::BluetoothAdapter::Observer* observer,
-    const AcquireAdapterCallback& callback) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  DCHECK(!GetAdapter(observer));
-
-  AddAdapterObserver(observer);
-  if (adapter_.get()) {
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE, base::Bind(callback, base::Unretained(adapter_.get())));
-    return;
-  }
-
-  DCHECK(BluetoothAdapterFactory::IsBluetoothAdapterAvailable());
-  BluetoothAdapterFactory::GetAdapter(
-      base::Bind(&BluetoothAdapterFactoryWrapper::OnGetAdapter,
-                 weak_ptr_factory_.GetWeakPtr(), callback));
-}
-
-void BluetoothAdapterFactoryWrapper::ReleaseAdapter(
-    device::BluetoothAdapter::Observer* observer) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  if (!HasAdapter(observer)) {
-    return;
-  }
-  RemoveAdapterObserver(observer);
-  if (adapter_observers_.empty())
-    set_adapter(scoped_refptr<device::BluetoothAdapter>());
-}
-
-BluetoothAdapter* BluetoothAdapterFactoryWrapper::GetAdapter(
-    device::BluetoothAdapter::Observer* observer) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  if (HasAdapter(observer)) {
-    return adapter_.get();
-  }
-  return nullptr;
-}
-
-void BluetoothAdapterFactoryWrapper::SetBluetoothAdapterForTesting(
-    scoped_refptr<device::BluetoothAdapter> mock_adapter) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  scan_duration_ = base::TimeDelta::FromSecondsD(kTestingScanDuration);
-  testing_ = true;
-  set_adapter(std::move(mock_adapter));
-}
-
-void BluetoothAdapterFactoryWrapper::OnGetAdapter(
-    const AcquireAdapterCallback& continuation,
-    scoped_refptr<device::BluetoothAdapter> adapter) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  set_adapter(adapter);
-  continuation.Run(adapter_.get());
-}
-
-bool BluetoothAdapterFactoryWrapper::HasAdapter(
-    device::BluetoothAdapter::Observer* observer) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  return ContainsKey(adapter_observers_, observer);
-}
-
-void BluetoothAdapterFactoryWrapper::AddAdapterObserver(
-    device::BluetoothAdapter::Observer* observer) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  auto iter = adapter_observers_.insert(observer);
-  DCHECK(iter.second);
-  if (adapter_) {
-    adapter_->AddObserver(observer);
-  }
-}
-
-void BluetoothAdapterFactoryWrapper::RemoveAdapterObserver(
-    device::BluetoothAdapter::Observer* observer) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  size_t removed = adapter_observers_.erase(observer);
-  DCHECK(removed);
-  if (adapter_) {
-    adapter_->RemoveObserver(observer);
-  }
-}
-
-void BluetoothAdapterFactoryWrapper::set_adapter(
-    scoped_refptr<device::BluetoothAdapter> adapter) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  if (adapter_.get()) {
-    for (device::BluetoothAdapter::Observer* observer : adapter_observers_) {
-      adapter_->RemoveObserver(observer);
-    }
-  }
-  adapter_ = adapter;
-  if (adapter_.get()) {
-    for (device::BluetoothAdapter::Observer* observer : adapter_observers_) {
-      adapter_->AddObserver(observer);
-    }
-  }
-}
-
-}  // namespace content