Add ChromeCodingConvention.java to Closure Compiler to preserve getInstance() type

third_party/closure_compiler/coding_conventions_test.py

Index: third_party/closure_compiler/coding_conventions_test.py
diff --git a/third_party/closure_compiler/coding_conventions_test.py b/third_party/closure_compiler/coding_conventions_test.py
new file mode 100755
index 0000000000000000000000000000000000000000..eed1a164c24cfc7bc1636ff1a848a1f70962f5df
--- /dev/null
+++ b/third_party/closure_compiler/coding_conventions_test.py
@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+# Copyright 2014 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 argparse
+import os
+import unittest
+
+from compile_modules import ModuleCompiler
+
+
+def rel_to_abs(rel_path):
+  script_path = os.path.dirname(os.path.abspath(__file__))
+  return os.path.join(script_path, rel_path)
+
+
+module_file = os.path.join('tests', 'test.resources')
+
+
+class CodingConventionTest(unittest.TestCase):
+  def __init__(self, *args, **kwargs):
+    unittest.TestCase.__init__(self, *args, **kwargs)
+    self.maxDiff = None
+
+  def setUp(self):
+    self.module_compiler = ModuleCompiler(verbose=opts.verbose,
+                                          test_expected_output=True)
+
+  def testCodingConvention(self):
+    modules = self.module_compiler.get_modules(rel_to_abs(module_file))
+
+    for m in modules:
+      assert len(m.sources) == 1
+      s = m.sources[0]
+      output = self.module_compiler.compile_source(s, m).strip()
+      expected_output = m.expected_output.strip().split('\n')
+      for line in expected_output:
+        self.assertTrue(line in output,
+            msg='{}\n\nExpected line: \n{}\n\nOutput:\n{}\n'.format(
+                m.name, line, output))
+
+
+if __name__ == '__main__':
+  parser = argparse.ArgumentParser()
+  parser.add_argument("-v", "--verbose", action="store_true",
+                      help="Show more information as this script runs")
+  opts = parser.parse_args()
+
+  unittest.main()