Add grit_whitelist for iOS.

build/ios/PRESUBMIT.py

Index: build/ios/PRESUBMIT.py
diff --git a/build/ios/PRESUBMIT.py b/build/ios/PRESUBMIT.py
new file mode 100644
index 0000000000000000000000000000000000000000..7f3dacd1d74f9c8a77a9b9833ff3fdf6e2b52f9f
--- /dev/null
+++ b/build/ios/PRESUBMIT.py
@@ -0,0 +1,39 @@
+# 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.
+
+import os
+
+"""Chromium presubmit script for src/tools/ios.
+
+See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
+for more details on the presubmit API built into gcl.
+"""
+
+WHITELIST_FILE = 'build/ios/grit_whitelist.txt'
+
+def _CheckWhitelistSorted(input_api, output_api):
+  for path in input_api.LocalPaths():
+    if WHITELIST_FILE == path:
+      lines = open(os.path.join('../..', WHITELIST_FILE)).readlines()
+      sorted = all(lines[i] <= lines[i + 1] for i in xrange(len(lines) - 1))
+      if not sorted:
+        return [output_api.PresubmitError(
+            'The file ' + WHITELIST_FILE + ' must be sorted.')]
+  return []
+
+def _CommonChecks(input_api, output_api):
+  """Checks common to both upload and commit."""
+  results = []
+  results.extend(_CheckWhitelistSorted(input_api, output_api))
+  return results
+
+def CheckChangeOnUpload(input_api, output_api):
+  results = []
+  results.extend(_CommonChecks(input_api, output_api))
+  return results
+
+def CheckChangeOnCommit(input_api, output_api):
+  results = []
+  results.extend(_CommonChecks(input_api, output_api))
+  return results