Rename all isolate_dependency_* to files.

tools/isolate_driver.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.
 
 """Adaptor script called through build/isolate.gypi.
 
 Creates a wrapping .isolate which 'includes' the original one, that can be
 consumed by tools/swarming_client/isolate.py. Path variables are determined
 based on the current working directory. The relative_cwd in the .isolated file
@@ skipping 219 matching lines @@
   logging.debug(
       'Binary dependencies:%s', ''.join('\n  ' + i for i in binary_deps))
 
   # Now do actual wrapping .isolate.
   isolate_dict = {
     'includes': [
       posixpath.join(isolate_relpath, isolate),
     ],
     'variables': {
       # Will look like ['<(PRODUCT_DIR)/lib/flibuser_prefs.so'].
-      isolate_format.KEY_TRACKED: sorted(
+      'files': sorted(
           '<(PRODUCT_DIR)/%s' % i.replace(os.path.sep, '/')
           for i in binary_deps),
     },
   }
   if not os.path.isdir(temp_isolate_dir):
     os.makedirs(temp_isolate_dir)
   comment = (
       '# Warning: this file was AUTOGENERATED.\n'
       '# DO NO EDIT.\n')
   out = StringIO.StringIO()
@@ skipping 48 matching lines @@
 
   swarming_client = os.path.join(SRC_DIR, 'tools', 'swarming_client')
   sys.stdout.flush()
   result = subprocess.call(
       [sys.executable, os.path.join(swarming_client, 'isolate.py')] + args)
   return result
 
 
 if __name__ == '__main__':
   sys.exit(main())