Add mojo python bindings tests to the waterfalls.

scripts/slave/zip_build.py

Index: scripts/slave/zip_build.py
diff --git a/scripts/slave/zip_build.py b/scripts/slave/zip_build.py
index 5047ec3919ed4201d0afdc898f910e418d136ff9..5c2da43d4d13bd48737af657efaec1f172ad0503 100755
--- a/scripts/slave/zip_build.py
+++ b/scripts/slave/zip_build.py
@@ -141,28 +141,29 @@ def FileRegexBlacklist(options):
   return '$NO_FILTER^'
 
 
-def MojomJSFiles(build_dir):
-  """Lists all mojom JavaScript files that need to be included in the archive.
+def _MojomFiles(build_dir, suffixes):
+  """Lists all mojom files that need to be included in the archive.
 
   Args:
     build_dir: The build directory.
 
   Returns:
-    A list of mojom JavaScript file paths which are relative to the build
+    A list of mojom file paths which are relative to the build
     directory.
   """
   walk_dirs = [
     'gen/mojo',
     'gen/content/test/data',
   ]
-  mojom_js_files = []
+  mojom_files = []
   for walk_dir in walk_dirs:
     walk_dir = os.path.join(build_dir, walk_dir)
     for path, _, files in os.walk(walk_dir):
       rel_path = os.path.relpath(path, build_dir)
-      for mojom_js_file in fnmatch.filter(files, '*.mojom.js'):
-        mojom_js_files.append(os.path.join(rel_path, mojom_js_file))
-  return mojom_js_files
+      for suffix in suffixes or []:
+        for mojom_file in fnmatch.filter(files, '*%s' % suffix):
+          mojom_files.append(os.path.join(rel_path, mojom_file))
+  return mojom_files
 
 
 def WriteRevisionFile(dirname, build_revision):
@@ -371,9 +372,9 @@ def Archive(options):
 
   # TODO(yzshen): Once we have swarming support ready, we could use it to
   # archive run time dependencies of tests and remove this step.
-  mojom_js_files = MojomJSFiles(build_dir)
-  print 'Include mojom JavaScript files: %s' % mojom_js_files
-  zip_file_list.extend(mojom_js_files)
+  mojom_files = _MojomFiles(build_dir, ['.mojom.js', '_mojom.py'])
+  print 'Include mojom files: %s' % mojom_files
+  zip_file_list.extend(mojom_files)
 
   zip_file = MakeUnversionedArchive(build_dir, staging_dir, zip_file_list,
                                     unversioned_base_name, options.path_filter)