linux_aura: Reenable download browsertests.

BUG=163931

Review URL: https://codereview.chromium.org/99443007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240296 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240296
Add a Pepper IDL generator to the JSON schema compiler.

BUG=326867

Review URL: https://codereview.chromium.org/101483003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240297 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240297