Show name of pending last-selected printer next to throbber while printer loads

Instead of showing a bare throbber while loading a local printer, show throbber
next to name of the printer being loaded, so the user knows this is the pending
printer.

BUG=325983

Review URL: https://codereview.chromium.org/105943002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239308 0039d316-1c4b-4281-b951-d872f2087c98
nacl_io: Add inet_pton() and ip6addr_* consts.

BUG=276739

Review URL: https://codereview.chromium.org/105943006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239309 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 239309
Fix IsFrameless check in appWindow.SetShape.

Previous cl (crrev.com/103813003) to add isFrameless check was
reversed (leftover from debugging/verifying). This cl fixes it
so that it properly rejects !frameless windows (instead of for
frameless ones).

BUG=324084

Review URL: https://codereview.chromium.org/105983003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239310 0039d316-1c4b-4281-b951-d872f2087c98
Add ExtensionsBrowserClient and AppSorting to app_shell

This lets it run a little further when attempting to run an app.

BUG=None
TEST=None

Review URL: https://codereview.chromium.org/106033002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239311 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 239311