Remove DocumentActivityTestBase

Remove DocumentActivityTestBase

DocumentActivityTestBase is not used by any test class, in JUnit4,
a test that requires DocumentActivity can use
`ChromeActivityTestRule<DocumentActivity>`

BUG=640116
Review-Url: https://codereview.chromium.org/2853273004
Cr-Commit-Position: refs/heads/master@{#468877}
Committed: https://chromium.googlesource.com/chromium/src/+/c9c0d96118b8381d85b0f311c4d2497d5b5373dd

[the real yoland, 2017-05-03 01:06:04]

yolandyan@chromium.org changed reviewers:
+ jbudorick@chromium.org

[the real yoland, 2017-05-03 01:06:05]

+cc newt@ as the last person who changed the base class

[jbudorick, 2017-05-03 01:08:21]

lgtm

[the real yoland, 2017-05-03 01:08:41]

The CQ bit was checked by yolandyan@chromium.org

[commit-bot: I haz the power, 2017-05-03 01:09:32]

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, 2017-05-03 02:57:59]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493773721550680, "parent_rev":
"c5a3921e63a83c63cd256d9f69eaf837e445699a", "commit_rev":
"c9c0d96118b8381d85b0f311c4d2497d5b5373dd"}

[commit-bot: I haz the power, 2017-05-03 02:58:10]

Description was changed from

==========
Remove DocumentActivityTestBase

DocumentActivityTestBase is not used by any test class, in JUnit4,
a test that requires DocumentActivity can use
`ChromeActivityTestRule<DocumentActivity>`

BUG=640116
==========

to

==========
Remove DocumentActivityTestBase

DocumentActivityTestBase is not used by any test class, in JUnit4,
a test that requires DocumentActivity can use
`ChromeActivityTestRule<DocumentActivity>`

BUG=640116

Review-Url: https://codereview.chromium.org/2853273004
Cr-Commit-Position: refs/heads/master@{#468877}
Committed:
https://chromium.googlesource.com/chromium/src/+/c9c0d96118b8381d85b0f311c4d2...
==========

[commit-bot: I haz the power, 2017-05-03 02:58:11]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c9c0d96118b8381d85b0f311c4d2...