Let AddDictionaryElement / AddFastElement purely add, move transition heuristics to AddDataElement

Let AddDictionaryElement / AddFastElement purely add, move transition heuristics to AddDataElement

BUG=v8:4137
LOG=n

Committed: https://crrev.com/210be5215dae17e3070e672ced7f2c58465aab66
Cr-Commit-Position: refs/heads/master@{#29287}

[Toon Verwaest, 2015-06-23 16:06:08]

verwaest@chromium.org changed reviewers:
+ jkummerow@chromium.org

[Toon Verwaest, 2015-06-23 16:06:09]

ptal

[Jakob Kummerow, 2015-06-24 12:41:35]

lgtm

[Toon Verwaest, 2015-06-25 09:01:40]

The CQ bit was checked by verwaest@chromium.org

[Toon Verwaest, 2015-06-25 09:01:41]

The patchset sent to the CQ was uploaded after l-g-t-m from
jkummerow@chromium.org
Link to the patchset: https://codereview.chromium.org/1194023004/#ps70001
(title: "Add test")

[commit-bot: I haz the power, 2015-06-25 09:02:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1194023004/70001

[Toon Verwaest, 2015-06-25 09:04:15]

The CQ bit was checked by verwaest@chromium.org

[Toon Verwaest, 2015-06-25 09:04:15]

The patchset sent to the CQ was uploaded after l-g-t-m from
jkummerow@chromium.org
Link to the patchset: https://codereview.chromium.org/1194023004/#ps90001
(title: "Make method private again")

[commit-bot: I haz the power, 2015-06-25 09:04:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1194023004/90001

[Toon Verwaest, 2015-06-25 09:08:31]

Patchset #6 (id:90001) has been deleted

[commit-bot: I haz the power, 2015-06-25 10:48:55]

Committed patchset #5 (id:70001)

[commit-bot: I haz the power, 2015-06-25 10:49:13]

Patchset 5 (id:??) landed as
https://crrev.com/210be5215dae17e3070e672ced7f2c58465aab66
Cr-Commit-Position: refs/heads/master@{#29287}