Use parens in multilne C++ -> Java enum generator directives.

build/android/gyp/java_cpp_enum.py

 #!/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 collections
 import re
 import optparse
 import os
@@ skipping 107 matching lines @@
 
 
 class HeaderParser(object):
   single_line_comment_re = re.compile(r'\s*//')
   multi_line_comment_start_re = re.compile(r'\s*/\*')
   enum_line_re = re.compile(r'^\s*(\w+)(\s*\=\s*([^,\n]+))?,?')
   enum_end_re = re.compile(r'^\s*}\s*;\.*$')
   generator_directive_re = re.compile(
       r'^\s*//\s+GENERATED_JAVA_(\w+)\s*:\s*([\.\w]+)$')
   multi_line_generator_directive_start_re = re.compile(
-      r'^\s*//\s+GENERATED_JAVA_(\w+)\s*:\s*([\.\w]*)\\$')
+      r'^\s*//\s+GENERATED_JAVA_(\w+)\s*:\s*\(([\.\w]*)$')
   multi_line_directive_continuation_re = re.compile(
-      r'^\s*//\s+([\.\w]+)\\$')
+      r'^\s*//\s+([\.\w]+)$')
   multi_line_directive_end_re = re.compile(
-      r'^\s*//\s+([\.\w]*)$')
+      r'^\s*//\s+([\.\w]*)\)$')
 
   optional_class_or_struct_re = r'(class|struct)?'
   enum_name_re = r'(\w+)'
   optional_fixed_type_re = r'(\:\s*(\w+\s*\w+?))?'
   enum_start_re = re.compile(r'^\s*enum\s+' + optional_class_or_struct_re +
       '\s*' + enum_name_re + '\s*' + optional_fixed_type_re + '\s*{\s*$')
 
   def __init__(self, lines, path=None):
     self._lines = lines
     self._path = path
@@ skipping 171 matching lines @@
 
   output_paths = DoGenerate(options, args)
 
   if options.assert_files_list:
     AssertFilesList(output_paths, options.assert_files_list)
 
   return " ".join(output_paths)
 
 if __name__ == '__main__':
   DoMain(sys.argv[1:])