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

components/subresource_filter/content/browser/content_subresource_filter_driver_factory.h

 // 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.
 
 #ifndef COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_CONTENT_SUBRESOURCE_FILTER_DRIVER_FACTORY_H_
 #define COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_CONTENT_SUBRESOURCE_FILTER_DRIVER_FACTORY_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 96 matching lines @@
   ActivationDecision GetActivationDecisionForLastCommittedPageLoad() const {
     return activation_decision_;
   }
 
   // ContentSubresourceFilterThrottleManager::Delegate:
   void OnFirstSubresourceLoadDisallowed() override;
   bool ShouldSuppressActivation(
       content::NavigationHandle* navigation_handle) override;
   void WillProcessResponse(
       content::NavigationHandle* navigation_handle) override;
+  void OnPageActivated(const ActivationState& activation_state) override;
 
   ContentSubresourceFilterThrottleManager* throttle_manager() {
     return throttle_manager_.get();
   }
 
   SubresourceFilterClient* client() { return client_.get(); }
 
  private:
   friend class ContentSubresourceFilterDriverFactoryTest;
   friend class safe_browsing::SafeBrowsingServiceTest;
@@ skipping 34 matching lines @@
   std::vector<GURL> navigation_chain_;
 
   URLToActivationListsMap activation_list_matches_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentSubresourceFilterDriverFactory);
 };
 
 }  // namespace subresource_filter
 
 #endif  // COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_CONTENT_SUBRESOURCE_FILTER_DRIVER_FACTORY_H_