Rename all isolate_dependency_* to files.

mojo/mojo_base.gyp

 # 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.
 
 # Essential components (and their tests) that are needed to build
 # Chrome should be here.  Other components that are useful only in
 # Mojo land like mojo_shell should be in mojo.gyp.
 {
   'includes': [
     'mojo_public.gypi',
@@ skipping 631 matching lines @@
     ['test_isolation_mode != "noop"', {
       'targets': [
         {
           'target_name': 'mojo_js_unittests_run',
           'type': 'none',
           'dependencies': [
             'mojo_js_unittests',
           ],
           'includes': [
             '../build/isolate.gypi',
-            'mojo_js_unittests.isolate',
           ],
           'sources': [
             'mojo_js_unittests.isolate',
           ],
         },
       ],
     }],
   ]
 }