Reland of [V8][Metric] Initial implementation of the RuntimeStatsMetric

tracing/trace_viewer.gypi

 # Copyright (c) 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.
 
 {
   'variables': {
     'tracing_css_files': [
       'tracing/ui/base/line_chart.css',
       'tracing/ui/base/list_view.css',
       'tracing/ui/base/pie_chart.css',
@@ skipping 140 matching lines @@
       'tracing/extras/tquery/context.html',
       'tracing/extras/tquery/filter.html',
       'tracing/extras/tquery/filter_all_of.html',
       'tracing/extras/tquery/filter_any_of.html',
       'tracing/extras/tquery/filter_has_ancestor.html',
       'tracing/extras/tquery/filter_has_duration.html',
       'tracing/extras/tquery/filter_has_title.html',
       'tracing/extras/tquery/filter_is_top_level.html',
       'tracing/extras/tquery/filter_not.html',
       'tracing/extras/tquery/tquery.html',
+      'tracing/extras/v8/runtime_stats_entry.html',
       'tracing/extras/v8/v8_cpu_profile_node.html',
       'tracing/extras/v8/v8_gc_stats_thread_slice.html',
       'tracing/extras/v8/v8_thread_slice.html',
       'tracing/extras/v8_config.html',
       'tracing/extras/vsync/vsync_auditor.html',
       'tracing/importer/context_processor.html',
       'tracing/importer/empty_importer.html',
       'tracing/importer/find_input_expectations.html',
       'tracing/importer/find_load_expectations.html',
       'tracing/importer/find_startup_expectations.html',
@@ skipping 15 matching lines @@
       'tracing/metrics/system_health/long_tasks_metric.html',
       'tracing/metrics/system_health/memory_metric.html',
       'tracing/metrics/system_health/power_metric.html',
       'tracing/metrics/system_health/responsiveness_metric.html',
       'tracing/metrics/system_health/system_health_metrics.html',
       'tracing/metrics/system_health/utils.html',
       'tracing/metrics/system_health/webview_startup_metric.html',
       'tracing/metrics/tracing_metric.html',
       'tracing/metrics/v8/execution_metric.html',
       'tracing/metrics/v8/gc_metric.html',
+      'tracing/metrics/v8/runtime_stats_metric.html',
       'tracing/metrics/v8/utils.html',
       'tracing/metrics/v8/v8_metrics.html',
       'tracing/model/activity.html',
       'tracing/model/alert.html',
       'tracing/model/annotation.html',
       'tracing/model/async_slice.html',
       'tracing/model/async_slice_group.html',
       'tracing/model/clock_sync_manager.html',
       'tracing/model/comment_box_annotation.html',
       'tracing/model/compound_event_selection_state.html',
@@ skipping 327 matching lines @@
       'tracing/ui/images/chrome-right.png',
       'tracing/ui/images/ui-states.png',
     ],
     'tracing_files': [
       '<@(tracing_css_files)',
       '<@(tracing_js_html_files)',
       '<@(tracing_img_files)',
     ],
   }
 }