Move grit from DEPS into src.

tools/grit/grit/format/chrome_messages_json.py

Index: tools/grit/grit/format/chrome_messages_json.py
diff --git a/tools/grit/grit/format/chrome_messages_json.py b/tools/grit/grit/format/chrome_messages_json.py
new file mode 100755
index 0000000000000000000000000000000000000000..be934ab1175924657a79796dbf0def4c2464ec5f
--- /dev/null
+++ b/tools/grit/grit/format/chrome_messages_json.py
@@ -0,0 +1,39 @@
+#!/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.
+
+"""Formats as a .json file that can be used to localize Google Chrome
+extensions."""
+
+from json import JSONEncoder
+import re
+import types
+
+from grit import util
+from grit.node import message
+
+def Format(root, lang='en', output_dir='.'):
+  """Format the messages as JSON."""
+  yield '{\n'
+
+  encoder = JSONEncoder();
+  format = ('  "%s": {\n'
+            '    "message": %s\n'
+            '  }')
+  first = True
+  for child in root.ActiveDescendants():
+    if isinstance(child, message.MessageNode):
+      id = child.attrs['name']
+      if id.startswith('IDR_') or id.startswith('IDS_'):
+        id = id[4:]
+
+      loc_message = encoder.encode(child.ws_at_start + child.Translate(lang) +
+                                   child.ws_at_end)
+
+      if not first:
+        yield ',\n'
+      first = False
+      yield format % (id, loc_message)
+
+  yield '\n}\n'