Per dcblack, change the search button experiment flag from a bool to a
quad-state enum.

BUG=311269
TEST=none
R=macourteau@chromium.org, samarth@chromium.org

Review URL: https://codereview.chromium.org/67653002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234331 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234331
Mojo: Make bindings_connector_unittest.cc not depend on base.

R=darin@chromium.org, darin

Review URL: https://codereview.chromium.org/68973006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234332 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234332
Docserver: Make the new github file system actually read content from blobstore
rather than just writing it.

R=yoz@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/68853005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234334 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234334