Adding perf test isolate and gn build target for swarming the benchmarks.

chrome/test/BUILD.gn

 # 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/chrome_tests.gni")
@@ skipping 1697 matching lines @@
   ]
 
   data = [
     # For isolate contract.
     "//testing/scripts/common.py",
     "//testing/xvfb.py",
     "//testing/scripts/run_telemetry_as_googletest.py",
   ]
 }
 
+group("telemetry_perf_tests") {
+  testonly = true
+  deps = [
+    "//tools/perf/:perf",
+  ]
+
+  data = [
+    # Needed for isolate script to execute.
+    "//testing/scripts/common.py",
+    "//testing/xvfb.py",
+    "//testing/scripts/run_telemetry_benchmark_as_googletest.py",
+  ]
+}
+
 js2gtest("unit_tests_js") {
   test_type = "unit"
   sources = rebase_path(
           chrome_tests_unit_gypi_values.chrome_unit_tests_gtestjs_sources,
           ".",
           "//chrome")
   extra_js_files =
       rebase_path(chrome_tests_unit_gypi_values.chrome_unit_tests_js_sources,
                   ".",
                   "//chrome")
@@ skipping 735 matching lines @@
 if (is_android) {
   android_library("unit_tests_java") {
     java_files = [ "android/unit_tests_apk/src/org/chromium/chrome/unit_tests_apk/ChromeNativeTestApplication.java" ]
     deps = [
       "//base:base_java",
       "//chrome/android:chrome_java",
       "//content/public/android:content_java",
     ]
   }
 }