Revert of Initial round of cleanups now all events go through StartRequest.

Revert of Initial round of cleanups now all events go through StartRequest. (patchset #2 id:20001 of https://codereview.chromium.org/1652353003/ )

Reason for revert:
Speculative revert to see if it affects memory leaks started yesterday: http://crbug.com/591596

Will reland if it is innocent.

Original issue's description:
> Initial round of cleanups now all events go through StartRequest.
> 
> The RequestType enum is no longer needed, and AddRequest can get merged
> into StartRequest.
> 
> BUG=570820
> 
> Committed: https://crrev.com/72feb1c098834b8734b7caba1de75331a9d321a8
> Cr-Commit-Position: refs/heads/master@{#378537}

TBR=nhiroki@chromium.org,mek@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=570820
Committed: https://chromium.googlesource.com/chromium/src/+/277e2f36d27658fad92573f21b79108af7a5e160

[Dmitry Titov, 2016-03-03 02:04:53]

Created Revert of Initial round of cleanups now all events go through
StartRequest.

[commit-bot: I haz the power, 2016-03-03 02:05:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1758163002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1758163002/1

[commit-bot: I haz the power, 2016-03-03 02:31:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1758163002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1758163002/1

[Dmitry Titov, 2016-03-03 02:37:59]

The CQ bit was unchecked by dimich@chromium.org

[commit-bot: I haz the power, 2016-03-03 02:46:59]

Description was changed from

==========
Revert of Initial round of cleanups now all events go through StartRequest.
(patchset #2 id:20001 of https://codereview.chromium.org/1652353003/ )

Reason for revert:
Speculative revert to see if it affects memory leaks started yesterday:
http://crbug.com/591596

Will reland if it is innocent.

Original issue's description:
> Initial round of cleanups now all events go through StartRequest.
> 
> The RequestType enum is no longer needed, and AddRequest can get merged
> into StartRequest.
> 
> BUG=570820
> 
> Committed: https://crrev.com/72feb1c098834b8734b7caba1de75331a9d321a8
> Cr-Commit-Position: refs/heads/master@{#378537}

TBR=nhiroki@chromium.org,mek@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=570820
==========

to

==========
Revert of Initial round of cleanups now all events go through StartRequest.
(patchset #2 id:20001 of https://codereview.chromium.org/1652353003/ )

Reason for revert:
Speculative revert to see if it affects memory leaks started yesterday:
http://crbug.com/591596

Will reland if it is innocent.

Original issue's description:
> Initial round of cleanups now all events go through StartRequest.
>
> The RequestType enum is no longer needed, and AddRequest can get merged
> into StartRequest.
>
> BUG=570820
>
> Committed: https://crrev.com/72feb1c098834b8734b7caba1de75331a9d321a8
> Cr-Commit-Position: refs/heads/master@{#378537}

TBR=nhiroki@chromium.org,mek@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=570820

Committed: https://crrev.com/277e2f36d27658fad92573f21b79108af7a5e160
Cr-Commit-Position: refs/heads/master@{#378927}
==========

[commit-bot: I haz the power, 2016-03-03 02:47:00]

Patchset 1 (id:??) landed as
https://crrev.com/277e2f36d27658fad92573f21b79108af7a5e160
Cr-Commit-Position: refs/heads/master@{#378927}

[Dmitry Titov, 2016-03-03 02:47:37]

Description was changed from

==========
Revert of Initial round of cleanups now all events go through StartRequest.
(patchset #2 id:20001 of https://codereview.chromium.org/1652353003/ )

Reason for revert:
Speculative revert to see if it affects memory leaks started yesterday:
http://crbug.com/591596

Will reland if it is innocent.

Original issue's description:
> Initial round of cleanups now all events go through StartRequest.
>
> The RequestType enum is no longer needed, and AddRequest can get merged
> into StartRequest.
>
> BUG=570820
>
> Committed: https://crrev.com/72feb1c098834b8734b7caba1de75331a9d321a8
> Cr-Commit-Position: refs/heads/master@{#378537}

TBR=nhiroki@chromium.org,mek@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=570820

Committed: https://crrev.com/277e2f36d27658fad92573f21b79108af7a5e160
Cr-Commit-Position: refs/heads/master@{#378927}
==========

to

==========
Revert of Initial round of cleanups now all events go through StartRequest.
(patchset #2 id:20001 of https://codereview.chromium.org/1652353003/ )

Reason for revert:
Speculative revert to see if it affects memory leaks started yesterday:
http://crbug.com/591596

Will reland if it is innocent.

Original issue's description:
> Initial round of cleanups now all events go through StartRequest.
> 
> The RequestType enum is no longer needed, and AddRequest can get merged
> into StartRequest.
> 
> BUG=570820
> 
> Committed: https://crrev.com/72feb1c098834b8734b7caba1de75331a9d321a8
> Cr-Commit-Position: refs/heads/master@{#378537}

TBR=nhiroki@chromium.org,mek@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=570820

Committed:
https://chromium.googlesource.com/chromium/src/+/277e2f36d27658fad92573f21b79...
==========

[Dmitry Titov, 2016-03-03 02:47:39]

Committed patchset #1 (id:1) manually as
277e2f36d27658fad92573f21b79108af7a5e160 (presubmit successful).

[Dmitry Titov, 2016-03-03 02:51:05]

Landed manually:
https://chromium.googlesource.com/chromium/src/+/277e2f36d27658fad92573f21b79...