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 327f3ac7afc667e00a3fbdc9e7d978a25c53c328..cdc33a381afe339fb5e77cf6bed3613da63db851 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/subresource_filter_navigation_trottle_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"
@@ -3293,6 +3294,13 @@ ChromeContentBrowserClient::CreateThrottlesForNavigation(
       base::MakeUnique<extensions::ExtensionNavigationThrottle>(handle));
 #endif
 
+  std::unique_ptr<content::NavigationThrottle>
+      subresource_filter_activation_throttle =
+          MaybeCreateSubresourceFilterNavigationThrottle(
+              handle, g_browser_process->safe_browsing_service());
+  if (subresource_filter_activation_throttle)
+    throttles.push_back(std::move(subresource_filter_activation_throttle));
+
   return throttles;
 }