Added helper scripts for modifying polymer_resources.grdp.

tools/polymer/polymer_grdp_to_txt.py

Index: tools/polymer/polymer_grdp_to_txt.py
diff --git a/tools/polymer/polymer_grdp_to_txt.py b/tools/polymer/polymer_grdp_to_txt.py
new file mode 100755
index 0000000000000000000000000000000000000000..e99125b33b24b7249f2962f329f76c2becede09d
--- /dev/null
+++ b/tools/polymer/polymer_grdp_to_txt.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+# Copyright 2015 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.
+
+import sys
+import xml.sax
+
+
+class PathsExtractor(xml.sax.ContentHandler):
+
+  def __init__(self):
+    self.paths = []
+
+  def startElement(self, name, attrs):
+    if name != 'structure':
+      return
+    path = attrs['file']
+    if path.startswith('../../../third_party/web-animations-js'):
+      return
+    prefix_0_5 = '../../../third_party/polymer/components-chromium/'
+    prefix_1_0 = '../../../third_party/polymer/v1_0/components-chromium/'
+    if path.startswith(prefix_0_5):
+      self.paths.append(path[len(prefix_0_5):])
+    elif path.startswith(prefix_1_0):
+      self.paths.append('v1.0 ' + path[len(prefix_1_0):])
+    else:
+      raise Exception("Unexpected path %s." % path)
+
+def main(argv):
+  xml_handler = PathsExtractor()
+  xml.sax.parse(argv[1], xml_handler)
+  print '\n'.join(sorted(xml_handler.paths))
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))