Revert 230792 "Revert 230780 "Add a step to generate breakpad symbols for conte...""

Fixed CrOS build

> Broke CrOS build. Likely needs to be configured to support building
> a #host binary.  Error message:
>
>   gyp: Dependency '/home/chrome-bot/chrome_root/src/breakpad/breakpad.gyp:du
>
>
> > Add a step to generate breakpad symbols for content shell on linux
> >
> > BUG=247431
> > R=rsesek@chromium.org
> >
> > Review URL: https://codereview.chromium.org/39693003
>
> TBR=jochen@chromium.org
>
> Review URL: https://codereview.chromium.org/41303002

TBR=ajwong@chromium.org

Review URL: https://codereview.chromium.org/43443002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230976 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230976