[on-hold][subresource_filter] Add ActivationTracker to track all activated contents

components/subresource_filter/content/browser/content_subresource_filter_driver_factory.cc

 // Copyright 2016 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 "components/subresource_filter/content/browser/content_subresource_filter_driver_factory.h"
 
 #include "base/feature_list.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/rand_util.h"
 #include "base/time/time.h"
@@ skipping 196 matching lines @@
   activation_level_ = configurations->the_one_and_only().activation_level;
   measure_performance_ =
       activation_level_ != ActivationLevel::DISABLED &&
       ShouldMeasurePerformanceForPageLoad(
           configurations->the_one_and_only().performance_measurement_rate);
   ActivationState state = ActivationState(activation_level_);
   state.measure_performance = measure_performance_;
   throttle_manager_->NotifyPageActivationComputed(navigation_handle, state);
 }
 
+void ContentSubresourceFilterDriverFactory::OnPageActivated(
+    const ActivationState& activation_state) {
+  client_->OnPageActivated(activation_state);
+}
+
 void ContentSubresourceFilterDriverFactory::OnFirstSubresourceLoadDisallowed() {
   const auto configurations = GetActiveConfigurations();
   if (configurations->the_one_and_only().should_suppress_notifications)
     return;
 
   client_->ToggleNotificationVisibility(activation_level_ ==
                                         ActivationLevel::ENABLED);
 }
 
 bool ContentSubresourceFilterDriverFactory::ShouldSuppressActivation(
@@ skipping 101 matching lines @@
       REPORT_REDIRECT_PATTERN_FOR_SUFFIX("SubresourceFilterOnly", hits_pattern,
                                          chain_size);
       break;
     default:
       NOTREACHED();
       break;
   }
 }
 
 }  // namespace subresource_filter