Add post_processing code to update copyright year automatically.

projects.py

Index: projects.py
diff --git a/projects.py b/projects.py
index 69e0b1b03a930180cd961165f5e888b1b528f5b8..206c905ee287642f17498e1a48037aa40decbff4 100644
--- a/projects.py
+++ b/projects.py
@@ -14,6 +14,7 @@ import committer_list
 import creds
 import errors
 import pending_manager
+from post_processors import chromium_copyright
 from verification import presubmit_check
 from verification import project_base
 from verification import reviewer_lgtm
@@ -106,11 +107,14 @@ def _gen_chromium(user, root_dir, rietveld_obj, git_svn, no_try):
 
   verifiers.append(tree_status.TreeStatusVerifier(
       'http://chromium-status.appspot.com/status'))
+
+  post_processors = [chromium_copyright]
   return pending_manager.PendingManager(
       rietveld_obj,
       local_checkout,
       verifiers_no_patch,
-      verifiers)
+      verifiers,
+      post_processors)
 
 
 def _gen_nacl(user, root_dir, rietveld_obj, git_svn, no_try):
@@ -184,7 +188,8 @@ def _gen_nacl(user, root_dir, rietveld_obj, git_svn, no_try):
       rietveld_obj,
       local_checkout,
       verifiers_no_patch,
-      verifiers)
+      verifiers,
+      [])
 
 
 def _gen_build(user, root_dir, rietveld_obj, git_svn, no_try):
@@ -249,11 +254,13 @@ def _internal_simple(path, user, root_dir, rietveld_obj, git_svn, no_try):
       presubmit_check.PresubmitCheckVerifier(),
   ]
 
+  post_processors = [chromium_copyright]
   return pending_manager.PendingManager(
       rietveld_obj,
       local_checkout,
       verifiers_no_patch,
-      verifiers)
+      verifiers,
+      post_processors)
 
 
 def supported_projects():