Clean up includes in TextIteratorTextState.h/cpp

Clean up includes in TextIteratorTextState.h/cpp

BUG=n/a

Review-Url: https://codereview.chromium.org/2925513002
Cr-Commit-Position: refs/heads/master@{#477876}
Committed: https://chromium.googlesource.com/chromium/src/+/54dd1f94d5fe8bbf9ae0df468a4e8224d970ddeb

[Xiaocheng, 2017-06-05 05:56:30]

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

[commit-bot: I haz the power, 2017-06-05 05:56:42]

Dry run: CQ is trying da patch.

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

[Xiaocheng, 2017-06-05 06:01:15]

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

[Xiaocheng, 2017-06-05 06:01:29]

xiaochengh@chromium.org changed reviewers:
+ yosin@chromium.org

[Xiaocheng, 2017-06-05 06:01:29]

PTAL.

[commit-bot: I haz the power, 2017-06-05 06:01:30]

Dry run: 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, 2017-06-05 06:18:31]

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

[commit-bot: I haz the power, 2017-06-05 06:18:32]

Dry run: Try jobs failed on following builders:
  mac_chromium_compile_dbg_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)

[yosin_UTC9, 2017-06-05 06:56:08]

Compilation failed... (T_T)

FAILED: obj/third_party/WebKit/Source/web/web/WebSubstringUtil.o 
../../third_party/WebKit/Source/web/mac/WebSubstringUtil.mm:126:24: error:
variable has incomplete type 'blink::ForwardsTextBuffer'
    ForwardsTextBuffer characters;
                       ^
../../third_party/WebKit/Source/core/editing/iterators/TextIteratorTextState.h:35:7:
note: forward declaration of 'blink::ForwardsTextBuffer'
class ForwardsTextBuffer;
      ^

[Xiaocheng, 2017-06-05 19:08:31]

On 2017/06/05 at 06:56:08, yosin wrote:
> Compilation failed... (T_T)
> 
> FAILED: obj/third_party/WebKit/Source/web/web/WebSubstringUtil.o 
> ../../third_party/WebKit/Source/web/mac/WebSubstringUtil.mm:126:24: error:
variable has incomplete type 'blink::ForwardsTextBuffer'
>     ForwardsTextBuffer characters;
>                        ^
>
../../third_party/WebKit/Source/core/editing/iterators/TextIteratorTextState.h:35:7:
note: forward declaration of 'blink::ForwardsTextBuffer'
> class ForwardsTextBuffer;
>       ^

I kind of regret about introducing ForwardsTextBuffer because it is basically
doing the same thing as a StringBuilder...

I'll cleanup other includes in this patch.

[yosin_UTC9, 2017-06-06 01:10:28]

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

[commit-bot: I haz the power, 2017-06-06 01:11:03]

Dry run: 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, 2017-06-06 03:20:46]

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

[commit-bot: I haz the power, 2017-06-06 03:20:47]

Dry run: This issue passed the CQ dry run.

[Xiaocheng, 2017-06-07 17:58:28]

Ping...

[yosin_UTC9, 2017-06-08 01:21:50]

The CQ bit was checked by yosin@chromium.org

[yosin_UTC9, 2017-06-08 01:21:50]

lgtm

[commit-bot: I haz the power, 2017-06-08 01:22:10]

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, 2017-06-08 03:58:29]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1496884910021910,
"parent_rev": "ac66f89e4be521caa45a972b20e7890992901469", "commit_rev":
"54dd1f94d5fe8bbf9ae0df468a4e8224d970ddeb"}

[commit-bot: I haz the power, 2017-06-08 03:58:40]

Description was changed from

==========
Clean up includes in TextIteratorTextState.h/cpp

BUG=n/a
==========

to

==========
Clean up includes in TextIteratorTextState.h/cpp

BUG=n/a

Review-Url: https://codereview.chromium.org/2925513002
Cr-Commit-Position: refs/heads/master@{#477876}
Committed:
https://chromium.googlesource.com/chromium/src/+/54dd1f94d5fe8bbf9ae0df468a4e...
==========

[commit-bot: I haz the power, 2017-06-08 03:58:41]

Committed patchset #3 (id:40001) as
https://chromium.googlesource.com/chromium/src/+/54dd1f94d5fe8bbf9ae0df468a4e...