lower Angle/DX path to LIMITED and don't drop to UNTRUSTED

Causes very slow page flips on some hardware otherwise.

TBR=piman@chromium.org
R=jschuh@chromium.org
BUG=314171

Review URL: https://codereview.chromium.org/60733012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233785 0039d316-1c4b-4281-b951-d872f2087c98
Roll DEPS for Breakpad r1231:1233

r1233 - Allow SIGABRT to abort the program.
r1232 - Use register %ebp (instead of %esp) when calculating the value of .raSearchStart.

Review URL: https://codereview.chromium.org/60983005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233786 0039d316-1c4b-4281-b951-d872f2087c98
Eliminate Shell::RootWindowList in favor of aura::Window::Windows.

This is necessary as part of my plan to rework RootWindow, specifically making it not be a subclass of Window. (It will eventually be renamed WindowEventDispatcher). Code that expected to get the RootWindow interface from this type can still call GetDispatcher() on members of the returned vector of Windows.

R=oshima@chromium.org
http://crbug.com/308843

Review URL: https://codereview.chromium.org/64933002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233787 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233787