Move FormDataList::deleteEntry() and hasEntry() to DOMFormData.

Move FormDataList::deleteEntry() and hasEntry() to DOMFormData.

- Move FormDataList::deleteEntry() to DOMFormData
- Fold FormDataList::hasEntry() into DOMFormData::has().

This CL has no behavior changes.

BUG=528840
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=201951

[tkent, 2015-09-08 07:17:07]

tkent@chromium.org changed reviewers:
+ keishi@chromium.org

[tkent, 2015-09-08 07:17:07]

Keishi, please review this.

[keishi, 2015-09-09 04:18:16]

LGTM

https://codereview.chromium.org/1308183006/diff/1/Source/core/html/DOMFormDat...
File Source/core/html/DOMFormData.cpp (right):

https://codereview.chromium.org/1308183006/diff/1/Source/core/html/DOMFormDat...
Source/core/html/DOMFormData.cpp:128: if (m_items[i].key() == keyData) {
nit: extra brackets

[tkent, 2015-09-09 04:22:54]

The CQ bit was checked by tkent@chromium.org

[commit-bot: I haz the power, 2015-09-09 04:23:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1308183006/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1308183006/1

[commit-bot: I haz the power, 2015-09-09 04:27:17]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=201951