PNaClize and update the 'Devguide -> Running' page of the documentation.

BUG= https://code.google.com/p/nativeclient/issues/detail?id=3634
R=binji@chromium.org

Review URL: https://codereview.chromium.org/33593002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230184 0039d316-1c4b-4281-b951-d872f2087c98
On start-up check if there are accounts that need to be deleted and schedule that.

This needs to be done as early as possible to avoid the chance that the user ends
up in this session by coincidence.

BUG=302461
TEST=Use inducebrowsercrashforrealz to crash the browser while in ephemeral profile and observe it deleted on next boot.

Review URL: https://codereview.chromium.org/35153002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230185 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230184
SVN changes up to revision 230185