Adding Google benchmarking library.

base/BUILD.gn

 # 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.
 
 # HOW TO WRITE CONDITIONALS IN THIS FILE
 # ======================================
 #
 # In many other places, one would write a conditional that expresses all the
 # cases when a source file is used or unused, and then either add or subtract
 # it from the sources list in that case
@@ skipping 1725 matching lines @@
   if (is_mac) {
     libs = [ "CoreFoundation.framework" ]
   }
 }
 
 test("base_perftests") {
   sources = [
     "message_loop/message_pump_perftest.cc",
 
     # "test/run_all_unittests.cc",
+    "containers/containers_benchmarks.cc",
     "json/json_perftest.cc",
     "threading/thread_perftest.cc",
   ]
   deps = [
     ":base",
     "//base/test:test_support",
     "//base/test:test_support_perf",
     "//testing/gtest",
     "//testing/perf",
   ]
@@ skipping 139 matching lines @@
     ]
     set_sources_assignment_filter(sources_assignment_filter)
     configs += [ "//build/config/compiler:enable_arc" ]
     deps = [
       ":base",
       "//testing/gtest",
     ]
   }
 }
 
+test("base_microbenchmarks") {
+    sources = [
+      "containers/containers_benchmarks.cc",
+      "test/run_all_base_microbenchmarks.cc",
+    ]
+
+    deps = [
+      "//third_party/google_benchmark",
+    ]
+}
+
 test("base_unittests") {
   sources = [
     "allocator/allocator_interception_mac_unittest.mm",
     "allocator/malloc_zone_functions_mac_unittest.cc",
     "allocator/tcmalloc_unittest.cc",
     "android/application_status_listener_unittest.cc",
     "android/content_uri_utils_unittest.cc",
     "android/jni_android_unittest.cc",
     "android/jni_array_unittest.cc",
     "android/jni_string_unittest.cc",
@@ skipping 792 matching lines @@
 }
 
 fuzzer_test("base_json_correctness_fuzzer") {
   sources = [
     "json/correctness_fuzzer.cc",
   ]
   deps = [
     ":base",
   ]
 }