Use correct template parameters when casting RHS of operator comparison.

Use correct template parameters when casting RHS of operator comparison.

Failing to use the correct Pred and Hash parameters results in an invalid
cast for operators with custom Pred and Hash parameters, e.g. double.

Cleanup for cfi_vptr=1; see https://www.chromium.org/developers/testing/control-flow-integrity

BUG=chromium:457523
R=bmeurer@chromium.org
LOG=N

[Benedikt Meurer, 2015-09-01 04:04:15]

lgtm

[pcc1, 2015-09-01 04:16:13]

The CQ bit was checked by pcc@chromium.org

[commit-bot: I haz the power, 2015-09-01 04:16:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1309903005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1309903005/1

[commit-bot: I haz the power, 2015-09-01 04:17:11]

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

[commit-bot: I haz the power, 2015-09-01 04:17:11]

Try jobs failed on following builders:
  v8_mac_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel/builds/9312)

[pcc1, 2015-09-01 05:28:41]

On 2015/09/01 04:17:11, commit-bot: I haz the power wrote:
> Try jobs failed on following builders:
>   v8_mac_rel on tryserver.v8 (JOB_FAILED,
> http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel/builds/9312)

Looks like this is redundant with https://codereview.chromium.org/1314473007;
closing.