Add new Telemetry tests to get CPU and memory usage for idle and flinging two test scenarios. Mirro…

chrome/test/media_router/BUILD.gn

 # Copyright 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.
 
 # Browser test resource files.
 media_router_integration_test_resources = [
   "resources/basic_test.html",
   "resources/close_route_with_error_on_send.json",
   "resources/common.js",
   "resources/fail_create_route.json",
   "resources/fail_reconnect_session.html",
   "resources/fail_reconnect_session.json",
   "resources/no_provider.json",
   "resources/route_creation_timed_out.json",
 ]
 
+media_router_test_extension_resources = [
+  "telemetry/extension/manifest.json",
+  "telemetry/extension/script.js",
+]
+
+# GYP version: chrome/test/media_router/media_router_tests.gypi:
+# media_router_test_extension_files
+copy("test_extension_resource_files") {
+  sources = media_router_test_extension_resources
+  outputs = [
+    "$root_out_dir/media_router/test_extension/{{source_file_part}}",
+  ]
+}
+
 # GYP version: chrome/test/media_router/media_router_tests.gypi:
 # media_router_integration_test_files
 copy("browser_tests_resource_files") {
-  # This list corresponds to media_router_integration_test_resources in
-  # media_router_integration_test_files target in GYP.
   sources = media_router_integration_test_resources
   outputs = [
     "$root_out_dir/media_router/browser_test_resources/{{source_file_part}}",
   ]
 }
 
 source_set("media_router_browsertests") {
   testonly = true
   defines = [ "HAS_OUT_OF_PROC_TEST_RUNNER" ]
   sources = [
@@ skipping 10 matching lines @@
   ]
   deps = [
     ":browser_tests_resource_files",
     "//chrome/browser/media/router:test_support",
     "//chrome/test:test_support",
     "//chrome/test:test_support_ui",
     "//skia",
     "//testing/gtest",
   ]
 }