Rename all isolate_dependency_* to files.

chrome/telemetry.isolate

 # Copyright (c) 2013 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.
 {
   'includes': [
     'chrome.isolate',
   ],
   'conditions': [
     ['OS=="android" or OS=="linux" or OS=="mac" or OS=="win"', {
       # This list comes from running:
       #   tools/perf/run_measurement --print-bootstrap-deps
       # and filtering out obvious undesired dependencies:
       #   'src/tools/perf/page_sets/'
       #   'src/tools/perf/measurements/'
       #   'src/tools/perf/metrics/'
       #   'src/tools/perf/profile_creators/'
       #   'src/tools/perf/benchmarks/'
       #   'src/chrome/test/data/extensions/profiles/'
       # Note that the dependency on ../build/android/ was made more
       # precise to ../build/android/pylib/.
       'variables': {
-        'isolate_dependency_tracked': [
+        'files': [
+          '../build/android/pylib/',
+          '../build/util/',
           '../third_party/WebKit/PerformanceTests/resources/jquery.tablesorter.min.js',
           '../third_party/WebKit/PerformanceTests/resources/statistics.js',
+          '../third_party/android_testrunner/',
           '../third_party/flot/jquery.flot.min.js',
+          '../third_party/webpagereplay/',
+          '../tools/crx_id/',
           '../tools/perf/unit-info.json',
+          '../tools/telemetry/',
           '<(PRODUCT_DIR)/bitmaptools<(EXECUTABLE_SUFFIX)',
         ],
-        'isolate_dependency_untracked': [
-          '../build/android/pylib/',
-          '../build/util/',
-          '../tools/crx_id/',
-          '../tools/telemetry/',
-          '../third_party/android_testrunner/',
-          '../third_party/webpagereplay/',
-        ],
       },
     }],
   ]
 }