Fix implicit access to raw pointer of scoped_refptr.

device/bluetooth/bluez/bluetooth_advertisement_bluez_unittest.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/bluez/bluetooth_advertisement_bluez.h"
 
 #include <memory>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 182 matching lines @@
   base::MessageLoopForIO message_loop_;
 
   std::unique_ptr<TestAdvertisementObserver> observer_;
   scoped_refptr<BluetoothAdapter> adapter_;
   scoped_refptr<BluetoothAdvertisement> advertisement_;
 };
 
 TEST_F(BluetoothAdvertisementBlueZTest, RegisterSucceeded) {
   scoped_refptr<BluetoothAdvertisement> advertisement = CreateAdvertisement();
   ExpectSuccess();
-  EXPECT_NE(nullptr, advertisement);
+  EXPECT_TRUE(advertisement);
 
   UnregisterAdvertisement(advertisement);
   ExpectSuccess();
 }
 
 TEST_F(BluetoothAdvertisementBlueZTest, DoubleRegisterFailed) {
   scoped_refptr<BluetoothAdvertisement> advertisement = CreateAdvertisement();
   ExpectSuccess();
-  EXPECT_NE(nullptr, advertisement);
+  EXPECT_TRUE(advertisement);
 
   // Creating a second advertisement should give us an error.
   scoped_refptr<BluetoothAdvertisement> advertisement2 = CreateAdvertisement();
   ExpectError(BluetoothAdvertisement::ERROR_ADVERTISEMENT_ALREADY_EXISTS);
-  EXPECT_EQ(nullptr, advertisement2);
+  EXPECT_FALSE(advertisement2);
 }
 
 TEST_F(BluetoothAdvertisementBlueZTest, DoubleUnregisterFailed) {
   scoped_refptr<BluetoothAdvertisement> advertisement = CreateAdvertisement();
   ExpectSuccess();
-  EXPECT_NE(nullptr, advertisement);
+  EXPECT_TRUE(advertisement);
 
   UnregisterAdvertisement(advertisement);
   ExpectSuccess();
 
   // Unregistering an already unregistered advertisement should give us an
   // error.
   UnregisterAdvertisement(advertisement);
   ExpectError(BluetoothAdvertisement::ERROR_ADVERTISEMENT_DOES_NOT_EXIST);
 }
 
 TEST_F(BluetoothAdvertisementBlueZTest, UnregisterAfterReleasedFailed) {
   scoped_refptr<BluetoothAdvertisement> advertisement = CreateAdvertisement();
   ExpectSuccess();
-  EXPECT_NE(nullptr, advertisement);
+  EXPECT_TRUE(advertisement);
 
   observer_.reset(new TestAdvertisementObserver(advertisement));
   TriggerReleased(advertisement);
   EXPECT_TRUE(observer_->released());
 
   // Unregistering an advertisement that has been released should give us an
   // error.
   UnregisterAdvertisement(advertisement);
   ExpectError(BluetoothAdvertisement::ERROR_ADVERTISEMENT_DOES_NOT_EXIST);
 }
 
 }  // namespace bluez