Move ManifestHandler to top-level extensions.

BUG=298586
R=benwells@chromium.org

Review URL: https://codereview.chromium.org/52593012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232499 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232499
[NaCl Docs] Remove use of hyperlink references in target URIs.

This feature requires docutils 0.11 and precise is still on 0.8:
http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html#embedded-uris-and-aliases

R=binji@chromium.org

Review URL: https://codereview.chromium.org/50433009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232500 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232500