Rename all isolate_dependency_* to files.

chrome/chrome_tests_unit.gypi

 # Copyright 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': {
     'chrome_unit_tests_sources': [
       '../apps/saved_files_service_unittest.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.h',
       '../components/autofill/content/renderer/test_password_generation_agent.cc',
@@ skipping 2841 matching lines @@
     ['test_isolation_mode != "noop"', {
       'targets': [
         {
           'target_name': 'unit_tests_run',
           'type': 'none',
           'dependencies': [
             'unit_tests',
           ],
           'includes': [
             '../build/isolate.gypi',
-            'unit_tests.isolate',
           ],
           'sources': [
             'unit_tests.isolate',
           ],
           'conditions': [
             ['use_x11 == 1', {
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }