Rename all isolate_dependency_* to files.

chrome/installer/mini_installer.gyp

 {
   'variables': {
     'version_py': '<(DEPTH)/build/util/version.py',
     'version_path': '../../chrome/VERSION',
     'lastchange_path': '<(DEPTH)/build/util/LASTCHANGE',
     # 'branding_dir' is set in the 'conditions' section at the bottom.
     'msvs_use_common_release': 0,
     'msvs_use_common_linker_extras': 0,
     'mini_installer_internal_deps%': 0,
     'mini_installer_official_deps%': 0,
@@ skipping 276 matching lines @@
         ['test_isolation_mode != "noop"', {
           'targets': [
             {
               'target_name': 'mini_installer_tests_run',
               'type': 'none',
               'dependencies': [
                 'mini_installer',
               ],
               'includes': [
                 '../../build/isolate.gypi',
-                'mini_installer_tests.isolate',
               ],
               'sources': [
                 'mini_installer_tests.isolate',
               ],
             },
           ],
         }],
       ],
     }],
     [ 'branding == "Chrome"', {
       'variables': {
          'branding_dir': '../app/theme/google_chrome',
       },
     }, { # else branding!="Chrome"
       'variables': {
          'branding_dir': '../app/theme/chromium',
       },
     }],
   ],
 }