Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/login/hid_detection_browsertest.cc

Index: chrome/browser/chromeos/login/hid_detection_browsertest.cc
diff --git a/chrome/browser/chromeos/login/hid_detection_browsertest.cc b/chrome/browser/chromeos/login/hid_detection_browsertest.cc
index 5d67e83af7b8d66a5657fb1d58e7f31f770b45dd..44392fe2ce66cf2dd04f88233934ebf9ca471adc 100644
--- a/chrome/browser/chromeos/login/hid_detection_browsertest.cc
+++ b/chrome/browser/chromeos/login/hid_detection_browsertest.cc
@@ -2,10 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/login/test/oobe_base_test.h"
 #include "chrome/browser/chromeos/login/test/oobe_screen_waiter.h"
@@ -94,7 +95,7 @@ class HidDetectionTest : public OobeBaseTest {
   scoped_refptr<
       testing::NiceMock<device::MockBluetoothAdapter> > mock_adapter_;
 
-  scoped_ptr<device::FakeInputServiceLinux> input_service_linux_;
+  std::unique_ptr<device::FakeInputServiceLinux> input_service_linux_;
 
   base::WeakPtrFactory<HidDetectionTest> weak_ptr_factory_;