Update V8 to version 4.10.79.1 (cherry-pick).

Summary of changes available at:
https://chromium.googlesource.com/v8/v8/+log/45f7b52d..deb8260a

Please follow these instructions for assigning/CC'ing issues:
https://github.com/v8/v8/wiki/Triaging%20issues

Please close rolling in case of a roll revert:
https://v8-roll.appspot.com/
This only works with a Google account.

TBR=hablich@chromium.org,machenbach@chromium.org,yangguo@chromium.org,vogelheim@chromium.org

Review URL: https://codereview.chromium.org/1636383002

Cr-Commit-Position: refs/heads/master@{#371771}

DEPS

@@ -43,7 +43,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.
-  'v8_revision': '45f7b52d51ac164d17b46efbd80a822a22cec1ac',
+  'v8_revision': 'deb8260a5d0d8cb93fe65f4a17ca0046ce0cca46',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
   # and whatever else without interference from each other.