Add common page filtering logic for page load metrics.

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("//chrome/common/features.gni")
 import("//chrome/version.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/grit/grit_rule.gni")
 
@@ skipping 79 matching lines @@
     "media_galleries/metadata_types.h",
     "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_messages.h",
     "page_load_metrics/page_load_timing.cc",
     "page_load_metrics/page_load_timing.h",
+    "page_load_metrics/page_tracker_predicate.cc",
+    "page_load_metrics/page_tracker_predicate.h",
     "partial_circular_buffer.cc",
     "partial_circular_buffer.h",
     "pref_names_util.cc",
     "pref_names_util.h",
     "prerender_types.h",
     "profiling.cc",
     "profiling.h",
     "ref_counted_util.h",
     "render_messages.cc",
     "render_messages.h",
@@ skipping 531 matching lines @@
     "resource_usage_reporter.mojom",
     "shell_handler_win.mojom",
   ]
 
   public_deps = [
     "//skia/public/interfaces",
   ]
 
   use_new_wrapper_types = false
 }