Add the client for accessing Subresource Filter only list.

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 8adb92cddeaac18195f75ae7a18dbfe43bf4f194..4b483225b0d52c5af93ebf23f101704f9190637c 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -81,6 +81,7 @@
 #include "chrome/browser/ssl/ssl_cert_reporter.h"
 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
 #include "chrome/browser/ssl/ssl_error_handler.h"
+#include "chrome/browser/subresource_filter/navigation_throttle_util.h"
 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/tracing/chrome_tracing_delegate.h"
@@ -3424,6 +3425,13 @@ ChromeContentBrowserClient::CreateThrottlesForNavigation(
       base::MakeUnique<extensions::ExtensionNavigationThrottle>(handle));
 #endif
 
+  content::NavigationThrottle* subresource_filter_activation_throttle =
+      MaybeCreateSubresourceFilterNavigationThrottle(
+          handle, g_browser_process->safe_browsing_service());
+  if (subresource_filter_activation_throttle)
+    throttles.push_back(
+        base::WrapUnique(subresource_filter_activation_throttle));
+
   return throttles;
 }