Combine traits for IPC mutation and generation fuzzing plus other refactoring.

tools/ipc_fuzzer/mutate/utils.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.
 
 """Utility functions used by Generational and Mutational ClusterFuzz
 fuzzers."""
 
 import argparse
 import os
 import random
 import string
 import sys
 import tempfile
 
 APP_PATH_KEY = 'APP_PATH'
 FLAGS_PREFIX = 'flags-'
 FUZZ_PREFIX = 'fuzz-'
+IPC_FUZZER_APPLICATION = 'ipc_fuzzer'
 IPC_REPLAY_APPLICATION = 'ipc_fuzzer_replay'
 IPCDUMP_EXTENSION = '.ipcdump'
 LAUNCH_PREFIXES = [
   '--gpu-launcher',
   '--plugin-launcher',
   '--ppapi-plugin-launcher',
   '--renderer-cmd-prefix',
   '--utility-cmd-prefix',
 ]
 
@@ skipping 12 matching lines @@
   file_handle = open(flags_file_path, 'w')
   file_handle.write(file_content)
   file_handle.close()
 
 def create_temp_file():
   """Create a temporary file."""
   temp_file = tempfile.NamedTemporaryFile(delete=False)
   temp_file.close()
   return temp_file.name
 
+def get_fuzzer_application_name():
+  """Get the application name for the fuzzer binary."""
+  return application_name_for_platform(IPC_FUZZER_APPLICATION)
+
+def get_replay_application_name():
+  """Get the application name for the replay binary."""
+  return application_name_for_platform(IPC_REPLAY_APPLICATION)
+
 def parse_arguments():
   """Parse fuzzer arguments."""
   parser = argparse.ArgumentParser()
   parser.add_argument('--input_dir')
   parser.add_argument('--output_dir')
   parser.add_argument('--no_of_files', type=int)
   args = parser.parse_args();
   if (not args.input_dir or
       not args.output_dir or
       not args.no_of_files):
@@ skipping 22 matching lines @@
     return 'MAC'
 
   assert False, 'Unknown platform'
 
 def get_application_path():
   """Return chrome application path."""
   if APP_PATH_KEY not in os.environ:
     sys.exit(
         'Environment variable %s should be set to chrome path.' % APP_PATH_KEY)
 
-  return os.environ[APP_PATH_KEY]
+  return os.environ[APP_PATH_KEY]