Revert 232216 "As we no more need to differentiate between Aura ..."

http://build.chromium.org/p/chromium.linux/builders/Linux%20Clang%20%28dbg%29/builds/52408

> As we no more need to differentiate between Aura and non-Aura chrome, removing aura badge from wrench menu.
> 
> R=cpu@chromium.org, oshima@chromium.org, sky@chromium.org, cpu, oshima
> TBR=sky
> BUG=313473
> 
> Review URL: https://codereview.chromium.org/49383007

TBR=shrikant@chromium.org

Review URL: https://codereview.chromium.org/55133008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232227 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232227