Renames DNWA::window_ to content_window_

Also converts a couple of calls to GetRootWindow() to
root_window_.get().

BUG=none
TEST=none
R=ben@chromium.org

Review URL: https://codereview.chromium.org/29983002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229811 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229811
Ensure webkitTransitionEnd is always triggered.

BUG=308593
NOTRY=true

Review URL: https://codereview.chromium.org/32533002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229812 0039d316-1c4b-4281-b951-d872f2087c98
This causes ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY and ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN errors to be handled by the SSL interstitial, so that we can present a single unified non-overridable warning.

BUG=276540
R=rsleevi@chromium.org
TBR=abarth@chromium.org

Review URL: https://codereview.chromium.org/23908005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229813 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229813