Make ChromeSubresourceFilterClient a WebContentsUserData

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 8326fc3d2f978c81e58371fdfb12e94ae5ed1348..60ff494e08cb30b2b9d75ca6ca5998cb58eb2b59 100644
--- a/chrome/browser/subresource_filter/chrome_subresource_filter_client.cc
+++ b/chrome/browser/subresource_filter/chrome_subresource_filter_client.cc
@@ -17,14 +17,20 @@
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "components/content_settings/core/common/content_settings_types.h"
 #include "components/subresource_filter/content/browser/content_ruleset_service.h"
+#include "components/subresource_filter/content/browser/content_subresource_filter_driver_factory.h"
 #include "content/public/browser/navigation_handle.h"
 
+DEFINE_WEB_CONTENTS_USER_DATA_KEY(ChromeSubresourceFilterClient);
+
 ChromeSubresourceFilterClient::ChromeSubresourceFilterClient(
     content::WebContents* web_contents)
     : web_contents_(web_contents), did_show_ui_for_navigation_(false) {
   DCHECK(web_contents);
   SubresourceFilterProfileContextFactory::EnsureForProfile(
       Profile::FromBrowserContext(web_contents_->GetBrowserContext()));
+
+  subresource_filter::ContentSubresourceFilterDriverFactory::
+      CreateForWebContents(web_contents, this);
 }
 
 ChromeSubresourceFilterClient::~ChromeSubresourceFilterClient() {}