Fix destruction order of FileSystemContext in MediaFileValidatorTest.

Fix destruction order of FileSystemContext in MediaFileValidatorTest.

Pre-requisite for https://codereview.chromium.org/2690183002/

Otherwise it causes:
[7962:7962:0330/140009.008419:FATAL:task_tracker.cc(394)] Check failed: !shutdown_event_->IsSignaled().
#0 0x000002edc667 base::debug::StackTrace::StackTrace()
#1 0x000002ef500b logging::LogMessage::~LogMessage()
#2 0x000002f3f8b1 base::internal::TaskTracker::BeforePostTask()
#3 0x000002f3f75f base::internal::TaskTracker::WillPostTask()
#4 0x000002f93628 base::internal::SchedulerSingleThreadTaskRunnerManager::SchedulerSingleThreadTaskRunner::PostDelayedTask()
#5 0x000002f4982b base::SequencedWorkerPool::PoolSequencedTaskRunner::PostNonNestableDelayedTask()
#6 0x000002f24e4b base::SequencedTaskRunner::DeleteOrReleaseSoonInternal()
#7 0x000004c6dce5 storage::FileSystemContext::DeleteOnCorrectThread()
#8 0x000000c7232e MediaFileValidatorTest::~MediaFileValidatorTest()
#9 0x000000c722a9 MediaFileValidatorTest_ValidAudio_Test::~MediaFileValidatorTest_ValidAudio_Test()
#10 0x000003d7c391 testing::TestInfo::Run()
#11 0x000003d7c867 testing::TestCase::Run()
#12 0x000003d838a7 testing::internal::UnitTestImpl::RunAllTests()
#13 0x000003d83527 testing::UnitTest::Run()
#14 0x000002fcbc71 base::TestSuite::Run()
#15 0x000002ecef48 ChromeTestSuiteRunner::RunTestSuite()
#16 0x0000035e80ec content::LaunchTests()

BUG=653916
Review-Url: https://codereview.chromium.org/2789923002
Cr-Commit-Position: refs/heads/master@{#461227}
Committed: https://chromium.googlesource.com/chromium/src/+/c6f277128dfba1874ebd3e698ad01254faf9ff9a

[gab, 2017-03-31 19:35:53]

Description was changed from

==========
Fix destruction order of FileSystemContext in MediaFileValidatorTest.

Pre-requisite for https://codereview.chromium.org/2690183002/

Otherwise it causes:
[7962:7962:0330/140009.008419:FATAL:task_tracker.cc(394)] Check failed:
!shutdown_event_->IsSignaled().

BUG=653916
==========

to

==========
Fix destruction order of FileSystemContext in MediaFileValidatorTest.

Pre-requisite for https://codereview.chromium.org/2690183002/

Otherwise it causes:
[7962:7962:0330/140009.008419:FATAL:task_tracker.cc(394)] Check failed:
!shutdown_event_->IsSignaled().
#0 0x000002edc667 base::debug::StackTrace::StackTrace()
#1 0x000002ef500b logging::LogMessage::~LogMessage()
#2 0x000002f3f8b1 base::internal::TaskTracker::BeforePostTask()
#3 0x000002f3f75f base::internal::TaskTracker::WillPostTask()
#4 0x000002f93628
base::internal::SchedulerSingleThreadTaskRunnerManager::SchedulerSingleThreadTaskRunner::PostDelayedTask()
#5 0x000002f4982b
base::SequencedWorkerPool::PoolSequencedTaskRunner::PostNonNestableDelayedTask()
#6 0x000002f24e4b base::SequencedTaskRunner::DeleteOrReleaseSoonInternal()
#7 0x000004c6dce5 storage::FileSystemContext::DeleteOnCorrectThread()
#8 0x000000c7232e MediaFileValidatorTest::~MediaFileValidatorTest()
#9 0x000000c722a9
MediaFileValidatorTest_ValidAudio_Test::~MediaFileValidatorTest_ValidAudio_Test()
#10 0x000003d7c391 testing::TestInfo::Run()
#11 0x000003d7c867 testing::TestCase::Run()
#12 0x000003d838a7 testing::internal::UnitTestImpl::RunAllTests()
#13 0x000003d83527 testing::UnitTest::Run()
#14 0x000002fcbc71 base::TestSuite::Run()
#15 0x000002ecef48 ChromeTestSuiteRunner::RunTestSuite()
#16 0x0000035e80ec content::LaunchTests()

BUG=653916
==========

[gab, 2017-03-31 19:37:01]

The CQ bit was checked by gab@chromium.org to run a CQ dry run

[gab, 2017-03-31 19:37:27]

gab@chromium.org changed reviewers:
+ tzik@chromium.org

[gab, 2017-03-31 19:37:28]

Taiju PTaL, thanks!

[commit-bot: I haz the power, 2017-03-31 19:38:13]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[tzik, 2017-03-31 20:27:27]

lgtm

[commit-bot: I haz the power, 2017-03-31 20:36:03]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-03-31 20:36:04]

Dry run: This issue passed the CQ dry run.

[gab, 2017-03-31 20:39:10]

The CQ bit was checked by gab@chromium.org

[commit-bot: I haz the power, 2017-03-31 20:39:44]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-31 21:06:15]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490992750960860, "parent_rev":
"7552bcddbf0f732524a4a26fcfb3e9b0d34d0dc1", "commit_rev":
"c6f277128dfba1874ebd3e698ad01254faf9ff9a"}

[commit-bot: I haz the power, 2017-03-31 21:07:09]

Description was changed from

==========
Fix destruction order of FileSystemContext in MediaFileValidatorTest.

Pre-requisite for https://codereview.chromium.org/2690183002/

Otherwise it causes:
[7962:7962:0330/140009.008419:FATAL:task_tracker.cc(394)] Check failed:
!shutdown_event_->IsSignaled().
#0 0x000002edc667 base::debug::StackTrace::StackTrace()
#1 0x000002ef500b logging::LogMessage::~LogMessage()
#2 0x000002f3f8b1 base::internal::TaskTracker::BeforePostTask()
#3 0x000002f3f75f base::internal::TaskTracker::WillPostTask()
#4 0x000002f93628
base::internal::SchedulerSingleThreadTaskRunnerManager::SchedulerSingleThreadTaskRunner::PostDelayedTask()
#5 0x000002f4982b
base::SequencedWorkerPool::PoolSequencedTaskRunner::PostNonNestableDelayedTask()
#6 0x000002f24e4b base::SequencedTaskRunner::DeleteOrReleaseSoonInternal()
#7 0x000004c6dce5 storage::FileSystemContext::DeleteOnCorrectThread()
#8 0x000000c7232e MediaFileValidatorTest::~MediaFileValidatorTest()
#9 0x000000c722a9
MediaFileValidatorTest_ValidAudio_Test::~MediaFileValidatorTest_ValidAudio_Test()
#10 0x000003d7c391 testing::TestInfo::Run()
#11 0x000003d7c867 testing::TestCase::Run()
#12 0x000003d838a7 testing::internal::UnitTestImpl::RunAllTests()
#13 0x000003d83527 testing::UnitTest::Run()
#14 0x000002fcbc71 base::TestSuite::Run()
#15 0x000002ecef48 ChromeTestSuiteRunner::RunTestSuite()
#16 0x0000035e80ec content::LaunchTests()

BUG=653916
==========

to

==========
Fix destruction order of FileSystemContext in MediaFileValidatorTest.

Pre-requisite for https://codereview.chromium.org/2690183002/

Otherwise it causes:
[7962:7962:0330/140009.008419:FATAL:task_tracker.cc(394)] Check failed:
!shutdown_event_->IsSignaled().
#0 0x000002edc667 base::debug::StackTrace::StackTrace()
#1 0x000002ef500b logging::LogMessage::~LogMessage()
#2 0x000002f3f8b1 base::internal::TaskTracker::BeforePostTask()
#3 0x000002f3f75f base::internal::TaskTracker::WillPostTask()
#4 0x000002f93628
base::internal::SchedulerSingleThreadTaskRunnerManager::SchedulerSingleThreadTaskRunner::PostDelayedTask()
#5 0x000002f4982b
base::SequencedWorkerPool::PoolSequencedTaskRunner::PostNonNestableDelayedTask()
#6 0x000002f24e4b base::SequencedTaskRunner::DeleteOrReleaseSoonInternal()
#7 0x000004c6dce5 storage::FileSystemContext::DeleteOnCorrectThread()
#8 0x000000c7232e MediaFileValidatorTest::~MediaFileValidatorTest()
#9 0x000000c722a9
MediaFileValidatorTest_ValidAudio_Test::~MediaFileValidatorTest_ValidAudio_Test()
#10 0x000003d7c391 testing::TestInfo::Run()
#11 0x000003d7c867 testing::TestCase::Run()
#12 0x000003d838a7 testing::internal::UnitTestImpl::RunAllTests()
#13 0x000003d83527 testing::UnitTest::Run()
#14 0x000002fcbc71 base::TestSuite::Run()
#15 0x000002ecef48 ChromeTestSuiteRunner::RunTestSuite()
#16 0x0000035e80ec content::LaunchTests()

BUG=653916

Review-Url: https://codereview.chromium.org/2789923002
Cr-Commit-Position: refs/heads/master@{#461227}
Committed:
https://chromium.googlesource.com/chromium/src/+/c6f277128dfba1874ebd3e698ad0...
==========

[commit-bot: I haz the power, 2017-03-31 21:07:10]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c6f277128dfba1874ebd3e698ad0...