Reland of Take care of a FIXME in SecurityOrigin.cpp to check the validity (patchset #1 id:1 of https://codereview.chromium.org/1315793002/ )

      Reason for revert:
Failure still present.

Original issue's description:
> Revert of Take care of a FIXME in SecurityOrigin.cpp to check the validity of any innerURL during constructio��� (patchset #4 id:60001 of https://codereview.chromium.org/1294933004/ )
> 
> Reason for revert:
> Speculative revert for &quotToo many opened files in the system&quot.
> 
> Original issue's description:
> > Take care of a FIXME in SecurityOrigin.cpp to check the validity of any innerURL during construction and to handle invalidity as a 'unique' origin.
> > 
> > TBR=mkwst
> > BUG=514076
> > 
> > Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=201022
> 
> TBR=jsbell@chromium.org,palmer@chromium.org,mkwst@chromium.org,brettw@chromium.org,michaeln@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=514076,524248
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=201100

TBR=brettw@chromium.org,jsbell@chromium.org,michaeln@chromium.org,mkwst@chromium.org,palmer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=514076,524248

Review URL: https://codereview.chromium.org/1309333004

git-svn-id: svn://svn.chromium.org/blink/trunk@201102 bbb929c8-8fbe-4397-9dbb-9b2b20218538