1 files changed, 16 insertions, 0 deletions
diff --git a/tools/android/adb_profile_chrome/controllers.py b/tools/android/adb_profile_chrome/controllers.py
new file mode 100644
index 0000000..a569dbc
--- /dev/null
+++ b/tools/android/adb_profile_chrome/controllers.py
@@ -0,0 +1,16 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import exceptions
+
+# pylint: disable=R0201
+class BaseController(object):
+  def StartTracing(self, _):
+    raise exceptions.NotImplementError
+
+  def StopTracing(self):
+    raise exceptions.NotImplementError
+
+  def PullTrace(self):
+    raise exceptions.NotImplementError