Move chrome/app/policy into components/policy.

This move enables using the files derived from policy_templates.json in iOS
builds. List of changes:

- cloud_policy_codegen.gyp and policy_templates.gypi have been merged into
  components/policy.gypi

- policy_templates.json moved into components/policy/resources/

- policy_templates.grd and *.xtb files moved into components/policy/resources/

- syntax_check_policy_templates_json.py and
  chrome/tools/build/generate_policy_source.py moved into
  components/policy/tools

BUG=271392
[email protected], [email protected]

Review URL: https://codereview.chromium.org/108513011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240875 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/WATCHLISTS b/WATCHLISTS
index 12f9210..2f3c2ff 100644
--- a/WATCHLISTS
+++ b/WATCHLISTS
@@ -447,7 +447,7 @@
         'chrome/common/plugin|webkit/glue/webplugin|webkit/glue/plugins/',
     },
     'policy_templates': {
-      'filepath': 'chrome/app/policy/policy_templates.json',
+      'filepath': 'components/policy/resources/policy_templates.json',
     },
     'predictors': {
       'filepath': 'predictors',