Use TestSimpleTaskRunner::HasPendingTask instead of GetPendingTasks().empty()

device/bluetooth/bluetooth_adapter_mac_unittest.mm

 // Copyright 2013 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_adapter_mac.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
@@ skipping 130 matching lines @@
 
   // Owned by |adapter_mac_|.
   base::scoped_nsobject<MockCentralManager> mock_central_manager_;
 
   int callback_count_;
   int error_callback_count_;
 };
 
 TEST_F(BluetoothAdapterMacTest, Poll) {
   PollAdapter();
-  EXPECT_FALSE(ui_task_runner_->GetPendingTasks().empty());
+  EXPECT_TRUE(ui_task_runner_->HasPendingTask());
 }
 
 TEST_F(BluetoothAdapterMacTest, AddDiscoverySessionWithLowEnergyFilter) {
   if (!SetMockCentralManager(CBCentralManagerStatePoweredOn))
     return;
   EXPECT_EQ(0, [mock_central_manager_ scanForPeripheralsCallCount]);
   EXPECT_EQ(0, NumDiscoverySessions());
 
   std::unique_ptr<BluetoothDiscoveryFilter> discovery_filter(
       new BluetoothDiscoveryFilter(BLUETOOTH_TRANSPORT_LE));
@@ skipping 91 matching lines @@
   base::scoped_nsobject<NSDictionary> advertisement_data(AdvertisementData());
 
   EXPECT_EQ(0, NumDevices());
   EXPECT_FALSE(DevicePresent(mock_peripheral));
   LowEnergyDeviceUpdated(mock_peripheral, advertisement_data, kTestRssi);
   EXPECT_EQ(1, NumDevices());
   EXPECT_TRUE(DevicePresent(mock_peripheral));
 }
 
 }  // namespace device