Move grit from DEPS into src.

tools/grit/grit/format/js_map_format.py

Index: tools/grit/grit/format/js_map_format.py
diff --git a/tools/grit/grit/format/js_map_format.py b/tools/grit/grit/format/js_map_format.py
new file mode 100755
index 0000000000000000000000000000000000000000..8cc8eb25e729282b54de8594fde1578f03b17fa2
--- /dev/null
+++ b/tools/grit/grit/format/js_map_format.py
@@ -0,0 +1,44 @@
+#!/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 .js file using a map: <english text> -> <localized text>.
+"""
+
+import re
+
+from grit import util
+
+
+"""The required preamble for JS files."""
+_HEADER = '// This file is automatically generated by GRIT.  Do not edit.\n'
+
+
+def Format(root, lang='en', output_dir='.'):
+  from grit.node import empty, message
+  yield _HEADER
+  for item in root.ActiveDescendants():
+    with item:
+      if isinstance(item, message.MessageNode):
+        yield _FormatMessage(item, lang)
+      elif isinstance(item, empty.MessagesNode):
+        yield '\n'
+
+
+def _FormatMessage(item, lang):
+  """Format a single message."""
+
+  en_message = item.ws_at_start + item.Translate('en') + item.ws_at_end
+  # Remove position numbers from placeholders.
+  en_message = re.sub(r'%\d\$([a-z])', r'%\1', en_message)
+  # Escape double quotes.
+  en_message = re.sub(r'\\', r'\\\\', en_message)
+  en_message = re.sub(r'"', r'\"', en_message)
+
+  loc_message = item.ws_at_start + item.Translate(lang) + item.ws_at_end
+  # Escape double quotes.
+  loc_message = re.sub(r'\\', r'\\\\', loc_message)
+  loc_message = re.sub(r'"', r'\"', loc_message)
+
+  return '\nlocalizedStrings["%s"] = "%s";' % (en_message, loc_message)