[Device Sensors] Fix crash on shutdown

device/sensors/data_fetcher_shared_memory_base_unittest.cc

 // Copyright 2014 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/sensors/data_fetcher_shared_memory_base.h"
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/process/process_handle.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 35 matching lines @@
                         base::WaitableEvent::InitialState::NOT_SIGNALED),
         updated_orientation_(base::WaitableEvent::ResetPolicy::AUTOMATIC,
                              base::WaitableEvent::InitialState::NOT_SIGNALED),
         updated_orientation_absolute_(
             base::WaitableEvent::ResetPolicy::AUTOMATIC,
             base::WaitableEvent::InitialState::NOT_SIGNALED),
         light_buffer_(nullptr),
         motion_buffer_(nullptr),
         orientation_buffer_(nullptr),
         orientation_absolute_buffer_(nullptr) {}
-  ~FakeDataFetcher() override {}
+  ~FakeDataFetcher() override { Shutdown(); }
 
   bool Init(ConsumerType consumer_type, void* buffer) {
     EXPECT_TRUE(buffer);
 
     switch (consumer_type) {
       case CONSUMER_TYPE_MOTION:
         motion_buffer_ = static_cast<DeviceMotionHardwareBuffer*>(buffer);
         break;
       case CONSUMER_TYPE_ORIENTATION:
         orientation_buffer_ =
@@ skipping 533 matching lines @@
       fake_data_fetcher.StartFetchingDeviceData(CONSUMER_TYPE_ORIENTATION));
   fake_data_fetcher.WaitForStart(CONSUMER_TYPE_ORIENTATION);
   EXPECT_EQ(0, fake_data_fetcher.GetOrientationBuffer()->data.alpha);
   fake_data_fetcher.StopFetchingDeviceData(CONSUMER_TYPE_ORIENTATION);
   fake_data_fetcher.WaitForStop(CONSUMER_TYPE_ORIENTATION);
 }
 
 }  // namespace
 
 }  // namespace device