Cleanup the policy code after the recent moves into the component.

- policy_transformations.cc is not needed anymore, since PolicyServiceImpl
  can now refer to the generated policies by name.

- moved generate_policy_source_unittest.cc into the component.

- removed stale .gitignore entries.

BUG=271392
TBR=joaodasilva@chromium.org

Review URL: https://codereview.chromium.org/113813003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240940 0039d316-1c4b-4281-b951-d872f2087c98
Re-enable stable AppWindowAPI tests.

When those tests were disabled, there was no check regarding which ones were actually flaky. Two of them (TestSingleton and TestCreate) are perfectly fine.

BUG=None

Review URL: https://codereview.chromium.org/113913003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240941 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240941
net: add name constraints for ANSSI root.

BUG=326787
R=felt@chromium.org, palmer@chromium.org, rsleevi@chromium.org

Review URL: https://codereview.chromium.org/109483005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240942 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240942