Added experiments section and exported the list of SafeBrowsing features in WebUI

components/safe_browsing/renderer/BUILD.gn

 # Copyright 2017 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/features.gni")
 
 source_set("renderer") {
   if (safe_browsing_mode != 0) {
     sources = [
       "threat_dom_details.cc",
       "threat_dom_details.h",
     ]
     deps = [
       "//base",
+      "//components/safe_browsing:features",
       "//components/safe_browsing/common:common",
       "//content/public/renderer",
       "//ipc",
       "//third_party/WebKit/public:blink",
       "//url/ipc:url_ipc",
     ]
   }
 }
 
 source_set("websocket_sb_handshake_throttle") {
@@ skipping 24 matching lines @@
     ":websocket_sb_handshake_throttle",
     "//base:base",
     "//base/test:test_support",
     "//components/safe_browsing/common:interfaces",
     "//ipc",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/WebKit/public:blink",
   ]
 }