Revert 233886 "Revert 218049 "Temporarily disable v8 proxy resol..."

gab@ said we should leave this in for potential non-aura builds.

> Revert 218049 "Temporarily disable v8 proxy resolver on win8 metro mode"
> 
> The work around was only required for non-aura metro mode.
> 
> > BUG=266838
> > R=eroman@chromium.org
> >
> > Review URL: https://chromiumcodereview.appspot.com/22893027
> 
> BUG=313732
> R=eroman@chromium.org
> 
> Review URL: https://codereview.chromium.org/64403002

TBR=jochen@chromium.org

Review URL: https://codereview.chromium.org/66713003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233891 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233891
Revert 233887 "Build mac and linux release builds with symbols a..."

First need to figure out sizes step

> Build mac and linux release builds with symbols and don't strip them by default
> 
> On Mac, we already build with symbols, but strip them.
> 
> Building with symbols (a) matches what we do for official builds and (b)
> makes crashes on release builders more useful.
> 
> BUG=315598
> R=erg@chromium.org, thakis@chromium.org
> 
> Review URL: https://codereview.chromium.org/64753002

TBR=jochen@chromium.org

Review URL: https://codereview.chromium.org/66403003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233893 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233893