x11/test: Use a custom-deleter for the XEvent in ScopedXI2Event.

BUG=none
R=sky@chromium.org

Review URL: https://codereview.chromium.org/136153006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248512 0039d316-1c4b-4281-b951-d872f2087c98
[gfx] Add a utility to calculate visible margins of an image.

R=rsesek@chromium.org

Review URL: https://codereview.chromium.org/148093013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248513 0039d316-1c4b-4281-b951-d872f2087c98
Update V8 to version 3.24.30.1 (based on bleeding_edge revision r19017).

Includes test expectation changes for changed V8 compiler message.

TBR=hpayer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/132913010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248514 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248513
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248516 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248516