Declare deleted copy constructor and assignment operator of v8::Global to take const parameters.

Declare deleted copy constructor and assignment operator of v8::Global to take const parameters.

This is required in order for Globals to be stored in STL containers.

Patch from Aaron Link <aaronlink@google.com>;

BUG=

Committed: https://crrev.com/7f6012c093ab12ab6e215d9bec8d3eaaa5dd9ce0
Cr-Commit-Position: refs/heads/master@{#29776}

[ulan, 2015-07-21 13:30:03]

ulan@chromium.org changed reviewers:
+ aaronlink@google.com, jochen@chromium.org

[ulan, 2015-07-21 13:30:03]

PTAL

[aaronlink, 2015-07-21 13:55:29]

lgtm

[jochen (gone - plz use gerrit), 2015-07-21 14:08:12]

lgtm

[ulan, 2015-07-21 15:15:14]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2015-07-21 15:15:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1244033002/1

[commit-bot: I haz the power, 2015-07-21 15:53:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-21 15:53:36]

Patchset 1 (id:??) landed as
https://crrev.com/7f6012c093ab12ab6e215d9bec8d3eaaa5dd9ce0
Cr-Commit-Position: refs/heads/master@{#29776}