Add telemetry_gpu_unittests.isolate.

content/telemetry.isolate

-# Copyright (c) 2013 The Chromium Authors. All rights reserved.
+# Copyright (c) 2015 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': [
-    'breakpad.isolate',
-    'chrome.isolate',
-  ],
   'conditions': [
     ['OS=="android" or OS=="linux" or OS=="mac" or OS=="win"', {
-      # This list comes from running:
-      #   tools/perf/run_benchmark --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': {
         'files': [
+          # This list comes from running:
+          #   tools/perf/run_benchmark --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/.
           '../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/telemetry/',
+          # For Telemetry's screenshot support.
           '<(PRODUCT_DIR)/bitmaptools<(EXECUTABLE_SUFFIX)',
         ],
       },
     }],
   ]
 }