Wire up the ThrottleManager using the existing page activation logic

chrome/browser/subresource_filter/chrome_subresource_filter_client.cc

Index: chrome/browser/subresource_filter/chrome_subresource_filter_client.cc
diff --git a/chrome/browser/subresource_filter/chrome_subresource_filter_client.cc b/chrome/browser/subresource_filter/chrome_subresource_filter_client.cc
index 3498c6889d3581bb65645644fccfdf60ec095323..21db7b51317e9b2d3af3a701db10d1898e9192b6 100644
--- a/chrome/browser/subresource_filter/chrome_subresource_filter_client.cc
+++ b/chrome/browser/subresource_filter/chrome_subresource_filter_client.cc
@@ -7,6 +7,7 @@
 #include <string>
 
 #include "base/metrics/histogram_macros.h"
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/infobars/infobar_service.h"
@@ -14,6 +15,8 @@
 #include "chrome/browser/subresource_filter/subresource_filter_content_settings_observer_factory.h"
 #include "chrome/browser/ui/android/content_settings/subresource_filter_infobar_delegate.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
+#include "components/content_settings/core/common/content_settings.h"
+#include "components/subresource_filter/content/browser/content_ruleset_service.h"
 
 ChromeSubresourceFilterClient::ChromeSubresourceFilterClient(
     content::WebContents* web_contents)
@@ -89,3 +92,10 @@ ContentSetting ChromeSubresourceFilterClient::GetContentSettingForUrl(
       url, url, ContentSettingsType::CONTENT_SETTINGS_TYPE_SUBRESOURCE_FILTER,
       std::string());
 }
+
+subresource_filter::VerifiedRulesetDealer::Handle*
+ChromeSubresourceFilterClient::GetRulesetDealer() {
+  subresource_filter::ContentRulesetService* ruleset_service =
+      g_browser_process->subresource_filter_ruleset_service();
+  return ruleset_service ? ruleset_service->ruleset_dealer() : nullptr;
+}