Fix vector indexing bug in SerializationUtilsTest.WriteReadTest

Fix vector indexing bug in SerializationUtilsTest.WriteReadTest

This CL fixes a vector indexing bug in SerializationUtilsTest.WriteReadTest
where the code was supposed to ensure that each MetricSample entry in the
vector returned by SerializationUtils::ReadAndTruncateMetricsFromFile is not
null, instead of just the first entry.

BUG=None
TEST=component_unittests

Committed: https://crrev.com/703959c64ad15ed459edf446914d08d59770119a
Cr-Commit-Position: refs/heads/master@{#422628}

[Ben Chan, 2016-10-03 15:28:50]

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

[commit-bot: I haz the power, 2016-10-03 15:29:05]

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

[Ben Chan, 2016-10-03 15:51:34]

Description was changed from

==========
Fix vector indexing bug in SerializationUtilsTest.WriteReadTest

This CL fixes a vector indexing bug in SerializationUtilsTest.WriteReadTest
where the code was supposed to ensure that each MetricSample entry in the
vector returned by SerializationUtils::ReadAndTruncateMetricsFromFile is not
null, instead of just the first entry.

BUG=None
TEST=component_unittests
==========

to

==========
Fix vector indexing bug in SerializationUtilsTest.WriteReadTest

This CL fixes a vector indexing bug in SerializationUtilsTest.WriteReadTest
where the code was supposed to ensure that each MetricSample entry in the
vector returned by SerializationUtils::ReadAndTruncateMetricsFromFile is not
null, instead of just the first entry.

BUG=None
TEST=component_unittests
==========

[Ben Chan, 2016-10-03 15:51:34]

benchan@chromium.org changed reviewers:
+ asvitkine@chromium.org

[Alexei Svitkine (slow), 2016-10-03 15:54:33]

lgtm

[commit-bot: I haz the power, 2016-10-03 15:54:55]

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

[commit-bot: I haz the power, 2016-10-03 15:54:56]

Dry run: This issue passed the CQ dry run.

[Ben Chan, 2016-10-04 00:22:58]

The CQ bit was checked by benchan@chromium.org

[commit-bot: I haz the power, 2016-10-04 00:23:31]

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, 2016-10-04 00:31:02]

Description was changed from

==========
Fix vector indexing bug in SerializationUtilsTest.WriteReadTest

This CL fixes a vector indexing bug in SerializationUtilsTest.WriteReadTest
where the code was supposed to ensure that each MetricSample entry in the
vector returned by SerializationUtils::ReadAndTruncateMetricsFromFile is not
null, instead of just the first entry.

BUG=None
TEST=component_unittests
==========

to

==========
Fix vector indexing bug in SerializationUtilsTest.WriteReadTest

This CL fixes a vector indexing bug in SerializationUtilsTest.WriteReadTest
where the code was supposed to ensure that each MetricSample entry in the
vector returned by SerializationUtils::ReadAndTruncateMetricsFromFile is not
null, instead of just the first entry.

BUG=None
TEST=component_unittests
==========

[commit-bot: I haz the power, 2016-10-04 00:31:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-04 00:34:26]

Description was changed from

==========
Fix vector indexing bug in SerializationUtilsTest.WriteReadTest

This CL fixes a vector indexing bug in SerializationUtilsTest.WriteReadTest
where the code was supposed to ensure that each MetricSample entry in the
vector returned by SerializationUtils::ReadAndTruncateMetricsFromFile is not
null, instead of just the first entry.

BUG=None
TEST=component_unittests
==========

to

==========
Fix vector indexing bug in SerializationUtilsTest.WriteReadTest

This CL fixes a vector indexing bug in SerializationUtilsTest.WriteReadTest
where the code was supposed to ensure that each MetricSample entry in the
vector returned by SerializationUtils::ReadAndTruncateMetricsFromFile is not
null, instead of just the first entry.

BUG=None
TEST=component_unittests

Committed: https://crrev.com/703959c64ad15ed459edf446914d08d59770119a
Cr-Commit-Position: refs/heads/master@{#422628}
==========

[commit-bot: I haz the power, 2016-10-04 00:34:27]

Patchset 1 (id:??) landed as
https://crrev.com/703959c64ad15ed459edf446914d08d59770119a
Cr-Commit-Position: refs/heads/master@{#422628}