Fix SubResourceFilter to work with PlzNavigate.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 7f1314ec93cde8ca33638da1f07d2e3bc0ccea2e..2f14b413aab09b3d0ac75d2bf9375e8cef40a535 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -139,8 +139,6 @@
 #include "components/security_interstitials/core/ssl_error_ui.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "components/startup_metric_utils/browser/startup_metric_host_impl.h"
-#include "components/subresource_filter/content/browser/content_subresource_filter_driver_factory.h"
-#include "components/subresource_filter/content/browser/subresource_filter_navigation_throttle.h"
 #include "components/translate/core/common/translate_switches.h"
 #include "components/url_formatter/url_fixer.h"
 #include "components/variations/variations_associated_data.h"
@@ -3149,20 +3147,6 @@ ChromeContentBrowserClient::CreateThrottlesForNavigation(
   throttles.push_back(new extensions::ExtensionNavigationThrottle(handle));
 #endif
 
-  subresource_filter::ContentSubresourceFilterDriverFactory*
-      subresource_filter_driver_factory =
-          subresource_filter::ContentSubresourceFilterDriverFactory::
-              FromWebContents(handle->GetWebContents());
-  if (subresource_filter_driver_factory && handle->IsInMainFrame() &&
-      handle->GetURL().SchemeIsHTTPOrHTTPS()) {
-    // TODO(melandory): Activation logic should be moved to the
-    // WebContentsObserver, once ReadyToCommitNavigation is available on
-    // pre-PlzNavigate world (tracking bug: https://crbug.com/621856).
-    throttles.push_back(
-        subresource_filter::SubresourceFilterNavigationThrottle::Create(
-            handle));
-  }
-
   return throttles;
 }