Move grit from DEPS into src.

tools/grit/grit/tool/count.py

Index: tools/grit/grit/tool/count.py
diff --git a/tools/grit/grit/tool/count.py b/tools/grit/grit/tool/count.py
new file mode 100755
index 0000000000000000000000000000000000000000..e87c4900f2149011169ca434c82502883b545503
--- /dev/null
+++ b/tools/grit/grit/tool/count.py
@@ -0,0 +1,35 @@
+#!/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.
+
+'''Count number of occurrences of a given message ID.'''
+
+from grit import grd_reader
+from grit.tool import interface
+
+
+class CountMessage(interface.Tool):
+  '''Count the number of times a given message ID is used.'''
+
+  def __init__(self):
+    pass
+
+  def ShortDescription(self):
+    return 'Count the number of times a given message ID is used.'
+
+  def Run(self, opts, args):
+    self.SetOptions(opts)
+
+    id = args[0]
+    res_tree = grd_reader.Parse(opts.input, debug=opts.extra_verbose)
+    res_tree.OnlyTheseTranslations([])
+    res_tree.RunGatherers()
+
+    count = 0
+    for c in res_tree.UberClique().AllCliques():
+      if c.GetId() == id:
+        count += 1
+
+    print "There are %d occurrences of message %s." % (count, id)
+