[Reland] Make canceling Timers fast.

third_party/WebKit/Source/platform/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/features.gni")
 import("//build/config/ui.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
 import("//third_party/WebKit/Source/config.gni")
@@ skipping 1947 matching lines @@
     ":blink_platform_unittests_data",
   ]
 
   defines = [ "INSIDE_BLINK" ]
 
   include_dirs = [ "$root_gen_dir/blink" ]
 }
 
 test("blink_platform_perftests") {
   sources = [
+    "TimerPerfTest.cpp",
     "scheduler/base/task_queue_manager_delegate_for_test.cc",
     "scheduler/base/task_queue_manager_delegate_for_test.h",
     "scheduler/base/task_queue_manager_perftest.cc",
+    "testing/RunAllPerfTests.cpp",
   ]
 
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
     "//third_party/WebKit/Source/wtf:wtf_config",
     "//third_party/WebKit/Source:config",
   ]
 
   deps = [
     ":blink_common",
     ":platform",
+    ":test_support",
     "//base",
     "//base/test:test_support",
-    "//base/test:test_support_perf",
+    "//content/test:test_support",
     "//testing/gtest",
     "//testing/perf",
   ]
 }
 
 group("blink_platform_unittests_data") {
   data = [
     "testing/data/",
 
     # Required by some image decoder tests.
@@ skipping 102 matching lines @@
     "//third_party/WebKit/Source:inside_blink",
   ]
 
   deps = [
     ":test_support",
     "//cc/surfaces:surface_id",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }