Limit size of outgoing P2P packets

Previously P2PSocketDispatcherHost didn't limit size of packets it receives
in P2PHostMsg_Send. Added a limit of 32k.

Review URL: https://codereview.chromium.org/27058006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228398 0039d316-1c4b-4281-b951-d872f2087c98
Update libjpeg_turbo to HEAD

TBR=inferno
BUG=258723

Review URL: https://codereview.chromium.org/27102003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228399 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228400 0039d316-1c4b-4281-b951-d872f2087c98
Enable GPU control lists in tests.

Reland of https://codereview.chromium.org/23534006/ (see that and the bug for more details).

Also adding INFO-level logging to spell out each control list rule being applied on the bots (makes debugging and understanding failures much easier).

R=piman@chromium.org
TBR=jcivelli, piman, zmo
BUG=295799

Previously Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=224810
Reverted: https://src.chromium.org/viewvc/chrome?view=rev&revision=224845

Previously Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=227977
Reverted: https://src.chromium.org/viewvc/chrome?view=rev&revision=228014

Review URL: https://codereview.chromium.org/23703017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228401 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228399
[chromedriver] Fix atoms for scrolling elements due to a change on blink side.

BUG=chromedriver:569

Review URL: https://codereview.chromium.org/26142006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228402 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228402