Start redirecting networking private event ruouter for incognito profile again

This was made ChromeOS specific for backporting to M32. Since the merge
is done, it's OK to start sharing the event router between original and
incognito profiles on other platforms again.

Also, add myself to the owners for networking private api.

BUG=336955

Review URL: https://codereview.chromium.org/134753004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247310 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247310
Fixed the json_schema.js bug that caused integers not to be accepted as numbers.

BUG=338368

Review URL: https://codereview.chromium.org/137243004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247311 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 247311