Reland: Buffer cross frame paint timing updates.

chrome/common/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/buildflag_header.gni")
 import("//build/util/process_version.gni")
 import("//chrome/common/features.gni")
 import("//chrome/process_version_rc_template.gni")  # For branding_file_path.
 import("//extensions/features/features.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
@@ skipping 95 matching lines @@
     "multi_process_lock.h",
     "multi_process_lock_linux.cc",
     "multi_process_lock_mac.cc",
     "multi_process_lock_win.cc",
     "origin_trials/chrome_origin_trial_policy.cc",
     "origin_trials/chrome_origin_trial_policy.h",
     "page_load_metrics/page_load_metrics_constants.h",
     "page_load_metrics/page_load_metrics_messages.h",
     "page_load_metrics/page_load_metrics_param_traits.cc",
     "page_load_metrics/page_load_metrics_param_traits.h",
+    "page_load_metrics/page_load_metrics_util.cc",
+    "page_load_metrics/page_load_metrics_util.h",
     "page_load_metrics/page_load_timing.cc",
     "page_load_metrics/page_load_timing.h",
     "page_load_metrics/page_track_decider.cc",
     "page_load_metrics/page_track_decider.h",
     "partial_circular_buffer.cc",
     "partial_circular_buffer.h",
     "pause_tabs_field_trial.h",
     "pref_names_util.cc",
     "pref_names_util.h",
     "prerender_messages.h",
@@ skipping 518 matching lines @@
   }
 }
 
 # Use a static library here because many test binaries depend on this but don't
 # require many files from it. This makes linking more efficient.
 static_library("test_support") {
   testonly = true
   visibility = [ "//chrome/test:*" ]
 
   sources = [
+    "page_load_metrics/test/page_load_metrics_test_util.cc",
+    "page_load_metrics/test/page_load_metrics_test_util.h",
     "search/mock_searchbox.cc",
     "search/mock_searchbox.h",
   ]
 
   deps = [
     ":common",
     ":instant_mojom",
     "//base",
     "//testing/gmock",
     "//testing/gtest",
@@ skipping 84 matching lines @@
 
 mojom("page_load_metrics_mojom") {
   sources = [
     "page_load_metrics/page_load_metrics.mojom",
   ]
 
   public_deps = [
     "//mojo/common:common_custom_types",
   ]
 }