Revert 55572 - Revert 55389 - Update V8 to version 2.3.6
Revert 55572 - Revert 55389 - Update V8 to version 2.3.6

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3054053

TBR=lrn@chromium.org

Update: http://codereview.chromium.org/3151004 will address the page cycler issue. We will keep the v8 upgrade.

This is due to bug:
http://code.google.com/p/chromium/issues/detail?id=51664
Let's get the page cycler into a good shape so the tree could stay green. At the same time, we should adjust the page cycler expectations so they won't be that flaky.
Review URL: http://codereview.chromium.org/3110005

TBR=lzheng@chromium.org
Review URL: http://codereview.chromium.org/3161003

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@55576 0039d316-1c4b-4281-b951-d872f2087c98

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