Move grit from DEPS into src.

tools/grit/grit/format/policy_templates/writers/mock_writer.py

Index: tools/grit/grit/format/policy_templates/writers/mock_writer.py
diff --git a/tools/grit/grit/format/policy_templates/writers/mock_writer.py b/tools/grit/grit/format/policy_templates/writers/mock_writer.py
new file mode 100755
index 0000000000000000000000000000000000000000..3db3a5432b9d4344bf213e947b03acf23136aecd
--- /dev/null
+++ b/tools/grit/grit/format/policy_templates/writers/mock_writer.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+# Copyright (c) 2012 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.
+
+
+from template_writer import TemplateWriter
+
+
+class MockWriter(TemplateWriter):
+  '''Helper class for unit tests in policy_template_generator_unittest.py
+  '''
+
+  def __init__(self):
+    pass
+
+  def WritePolicy(self, policy):
+    pass
+
+  def BeginTemplate(self):
+    pass
+
+  def GetTemplateText(self):
+    pass
+
+  def IsPolicySupported(self, policy):
+    return True
+
+  def Test(self):
+    pass