Revert 179302
Breaks linking on app_list_unittest on Linux: symbol lookup error: libcontent.so: undefined symbol: _ZN15MallocExtension32GetBytesAllocatedOnCurrentThreadEv
> [win] Add signin support for the app launcher.
>
> This relands r178795, with the navigation to the sign in screen deferred until
> the app list is shown and sign in is needed.
>
> TBR=sky@chromium.org, atwilson@chromium.org, rogerta@chromium.org, xiyuan@chromium.org
> BUG=159733
>
> Review URL: https://codereview.chromium.org/12095027
TBR=benwells@chromium.org
Review URL: https://codereview.chromium.org/12088037
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@179307 0039d316-1c4b-4281-b951-d872f2087c98
22 files changed
