Remove handle wrappers from basic elements accessors

Remove handle wrappers from basic elements accessors

BUG=
R=yangguo@chromium.org

Committed: https://crrev.com/40b7c513c696f405af0ae3e74e844d3c341bc3f2
Cr-Commit-Position: refs/heads/master@{#26736}

[Toon Verwaest, 2015-02-19 07:52:03]

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

[Toon Verwaest, 2015-02-19 07:52:03]

PTAL

[Yang, 2015-02-19 07:55:35]

On 2015/02/19 07:52:03, Toon Verwaest wrote:
> PTAL

LGTM. Suggestion though: inside the dehandlified methods, assert that
!DisallowHeapAllocation::IsAllowed() to make sure we have DisallowHeapAllocation
scope around it to prevent misuse. Might be a bit tedious though so it's your
choice.

[Toon Verwaest, 2015-02-19 08:18:13]

Committed patchset #2 (id:20001) manually as
40b7c513c696f405af0ae3e74e844d3c341bc3f2 (presubmit successful).

[commit-bot: I haz the power, 2015-02-19 08:18:16]

Patchset 2 (id:??) landed as
https://crrev.com/40b7c513c696f405af0ae3e74e844d3c341bc3f2
Cr-Commit-Position: refs/heads/master@{#26736}

[Toon Verwaest, 2015-02-19 09:04:07]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/932693003/ by verwaest@chromium.org.

The reason for reverting is: Breakage.