Move chrome/browser/web_dev_style/ to tools/ to use from more places

chrome/browser/ui/webui/PRESUBMIT.py

Index: chrome/browser/ui/webui/PRESUBMIT.py
diff --git a/chrome/browser/ui/webui/PRESUBMIT.py b/chrome/browser/ui/webui/PRESUBMIT.py
new file mode 100644
index 0000000000000000000000000000000000000000..29efca16ab79d0a2bc7a6323d7e7f24cfb90957e
--- /dev/null
+++ b/chrome/browser/ui/webui/PRESUBMIT.py
@@ -0,0 +1,31 @@
+# Copyright 2017 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.
+
+"""Presubmit script for files in chrome/browser/ui/webui.
+
+See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
+for more details about the presubmit API built into depot_tools.
+"""
+
+
+def _CheckWebDevStyle(input_api, output_api):
+  results = []
+  try:
+    import sys
+    old_sys_path = sys.path
+    cwd = input_api.PresubmitLocalPath()
+    sys.path += [input_api.os_path.join(cwd, '..', '..', '..', '..', 'tools')]
+    import web_dev_style.presubmit_support
+    results = web_dev_style.presubmit_support.CheckStyle(input_api, output_api)
+  finally:
+    sys.path = old_sys_path
+  return results
+
+
+def CheckChangeOnUpload(input_api, output_api):
+  return _CheckWebDevStyle(input_api, output_api)
+
+
+def CheckChangeOnCommit(input_api, output_api):
+  return _CheckWebDevStyle(input_api, output_api)