Move grit from DEPS into src.

tools/grit/grit/gather/json_loader.py

Index: tools/grit/grit/gather/json_loader.py
diff --git a/tools/grit/grit/gather/json_loader.py b/tools/grit/grit/gather/json_loader.py
new file mode 100755
index 0000000000000000000000000000000000000000..6370b10f9edbe0f6b94115b6c16869da45c4ee62
--- /dev/null
+++ b/tools/grit/grit/gather/json_loader.py
@@ -0,0 +1,26 @@
+#!/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 grit.gather import interface
+
+
+class JsonLoader(interface.GathererBase):
+  '''A simple gatherer that loads and parses a JSON file.'''
+
+  def Parse(self):
+    '''Reads and parses the text of self._json_text into the data structure in
+    self._data.
+    '''
+    self._json_text = self._LoadInputFile()
+    self._data = None
+
+    globs = {}
+    exec('data = ' + self._json_text, globs)
+    self._data = globs['data']
+
+  def GetData(self):
+    '''Returns the parsed JSON data.'''
+    return self._data