GRC: Added Tab coordination units behind a feature flag

chrome/browser/ui/tab_helpers.cc

 // 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.
 
 #include "chrome/browser/ui/tab_helpers.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 18 matching lines @@
 #include "chrome/browser/net/predictor_tab_helper.h"
 #include "chrome/browser/ntp_snippets/bookmark_last_visit_updater.h"
 #include "chrome/browser/page_load_metrics/page_load_metrics_initialize.h"
 #include "chrome/browser/password_manager/chrome_password_manager_client.h"
 #include "chrome/browser/permissions/permission_request_manager.h"
 #include "chrome/browser/predictors/resource_prefetch_predictor_factory.h"
 #include "chrome/browser/predictors/resource_prefetch_predictor_tab_helper.h"
 #include "chrome/browser/prerender/prerender_tab_helper.h"
 #include "chrome/browser/previews/previews_infobar_tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/resource_coordinator/resource_coordinator_web_contents_observer.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/ssl/security_state_tab_helper.h"
 #include "chrome/browser/subresource_filter/chrome_subresource_filter_client.h"
 #include "chrome/browser/sync/sessions/sync_sessions_router_tab_helper.h"
 #include "chrome/browser/sync/sessions/sync_sessions_web_contents_router_factory.h"
 #include "chrome/browser/tab_contents/navigation_metrics_recorder.h"
 #include "chrome/browser/tracing/navigation_tracing.h"
 #include "chrome/browser/translate/chrome_translate_client.h"
 #include "chrome/browser/ui/autofill/chrome_autofill_client.h"
 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
@@ skipping 246 matching lines @@
       web_contents->GetBrowserContext())) {
     predictors::ResourcePrefetchPredictorTabHelper::CreateForWebContents(
         web_contents);
   }
 
   if (tracing::NavigationTracingObserver::IsEnabled())
     tracing::NavigationTracingObserver::CreateForWebContents(web_contents);
 
   if (MediaEngagementService::IsEnabled())
     MediaEngagementService::CreateWebContentsObserver(web_contents);
+
+  if (ResourceCoordinatorWebContentsObserver::IsEnabled())
+    ResourceCoordinatorWebContentsObserver::CreateForWebContents(web_contents);
 }