[subresource_filter] Remove some state from the driver factory

components/subresource_filter/content/browser/activation_state_computing_navigation_throttle.cc

Index: components/subresource_filter/content/browser/activation_state_computing_navigation_throttle.cc
diff --git a/components/subresource_filter/content/browser/activation_state_computing_navigation_throttle.cc b/components/subresource_filter/content/browser/activation_state_computing_navigation_throttle.cc
index dfa6be5a8bd744d712f56147909d523b7d780494..e4e63fd1517bea3285c12b46c978f6429bbfffe8 100644
--- a/components/subresource_filter/content/browser/activation_state_computing_navigation_throttle.cc
+++ b/components/subresource_filter/content/browser/activation_state_computing_navigation_throttle.cc
@@ -10,6 +10,7 @@
 #include "base/callback.h"
 #include "base/memory/ptr_util.h"
 #include "components/subresource_filter/content/browser/async_document_subresource_filter.h"
+#include "components/subresource_filter/core/browser/subresource_filter_features.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
@@ -55,15 +56,21 @@ ActivationStateComputingNavigationThrottle::
 void ActivationStateComputingNavigationThrottle::
     NotifyPageActivationWithRuleset(
         VerifiedRuleset::Handle* ruleset_handle,
-        const ActivationState& page_activation_state) {
+        const ActivationState& page_activation_state,
+        ActivationDecision page_activation_decision) {
   DCHECK(navigation_handle()->IsInMainFrame());
   DCHECK(!parent_activation_state_);
   DCHECK(!ruleset_handle_);
-  // DISABLED implies null ruleset.
-  DCHECK(page_activation_state.activation_level != ActivationLevel::DISABLED ||
-         !ruleset_handle);
   parent_activation_state_ = page_activation_state;
+  page_activation_decision_ = page_activation_decision;
   ruleset_handle_ = ruleset_handle;
+
+  // Activated implies not disabled.
+  DCHECK(page_activation_decision != ActivationDecision::ACTIVATED ||
+         page_activation_state.activation_level != ActivationLevel::DISABLED);
+  // Disabled implies null ruleset.
+  DCHECK(page_activation_state.activation_level != ActivationLevel::DISABLED ||
+         !ruleset_handle);
 }
 
 content::NavigationThrottle::ThrottleCheckResult
@@ -113,6 +120,12 @@ ActivationStateComputingNavigationThrottle::ReleaseFilter() {
   return will_send_activation_to_renderer_ ? std::move(async_filter_) : nullptr;
 }
 
+ActivationDecision
+ActivationStateComputingNavigationThrottle::GetPageActivationDecision() {
+  DCHECK(navigation_handle()->IsInMainFrame());
+  return page_activation_decision_;
+}
+
 void ActivationStateComputingNavigationThrottle::
     WillSendActivationToRenderer() {
   DCHECK(async_filter_);