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

chrome/browser/subresource_filter/subresource_filter_profile_context_factory.cc

Index: chrome/browser/subresource_filter/subresource_filter_profile_context_factory.cc
diff --git a/chrome/browser/subresource_filter/subresource_filter_profile_context_factory.cc b/chrome/browser/subresource_filter/subresource_filter_profile_context_factory.cc
index 1d0878d84a0be2f97b5b786dd11256f3963dd432..f172958596a1652b58ad048b0ddc13956e067c0b 100644
--- a/chrome/browser/subresource_filter/subresource_filter_profile_context_factory.cc
+++ b/chrome/browser/subresource_filter/subresource_filter_profile_context_factory.cc
@@ -5,15 +5,17 @@
 #include "chrome/browser/subresource_filter/subresource_filter_profile_context_factory.h"
 
 #include "base/memory/singleton.h"
+#include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/subresource_filter/subresource_filter_profile_context.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/keyed_service/core/keyed_service.h"
 
 // static
-void SubresourceFilterProfileContextFactory::EnsureForProfile(
-    Profile* profile) {
-  GetInstance()->GetServiceForBrowserContext(profile, true /* create */);
+SubresourceFilterProfileContext*
+SubresourceFilterProfileContextFactory::GetForProfile(Profile* profile) {
+  return static_cast<SubresourceFilterProfileContext*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true /* create */));
 }
 
 // static
@@ -31,3 +33,9 @@ KeyedService* SubresourceFilterProfileContextFactory::BuildServiceInstanceFor(
     content::BrowserContext* profile) const {
   return new SubresourceFilterProfileContext(static_cast<Profile*>(profile));
 }
+
+content::BrowserContext*
+SubresourceFilterProfileContextFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextOwnInstanceInIncognito(context);
+}