Rename all isolate_dependency_* to files.

sandbox/linux/sandbox_linux.gypi

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'conditions': [
       ['OS=="linux"', {
         'compile_suid_client': 1,
         'compile_credentials': 1,
@@ skipping 321 matching lines @@
     ['test_isolation_mode != "noop"', {
       'targets': [
         {
           'target_name': 'sandbox_linux_unittests_run',
           'type': 'none',
           'dependencies': [
             'sandbox_linux_unittests',
           ],
           'includes': [
             '../../build/isolate.gypi',
-            '../sandbox_linux_unittests.isolate',
           ],
           'sources': [
             '../sandbox_linux_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }