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

components/safe_browsing/BUILD.gn

 # Copyright 2016 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("//third_party/protobuf/proto_library.gni")
 
 proto_library("csd_proto") {
   sources = [
     "csd.proto",
   ]
 }
 
 source_set("safe_browsing") {
   sources = [
     "base_blocking_page.cc",
     "base_blocking_page.h",
     "base_resource_throttle.cc",
     "base_resource_throttle.h",
     "base_ui_manager.cc",
     "base_ui_manager.h",
   ]
   public_deps = [
     "//components/security_interstitials/content:security_interstitial_page",
   ]
   deps = [
     ":base_ping_manager",
+    ":features",
     "//base:base",
     "//base:i18n",
     "//components/safe_browsing/common:safe_browsing_prefs",
     "//components/safe_browsing_db:database_manager",
     "//components/security_interstitials/core:core",
     "//content/public/browser:browser",
     "//content/public/common:common",
     "//net:net",
   ]
 }
@@ skipping 25 matching lines @@
   ]
 
   deps = [
     ":base_ping_manager",
     "//base:base",
     "//net:net",
     "//net:test_support",
     "//testing/gtest",
   ]
 }
+
+static_library("features") {
+  sources = [
+    "features.cc",
+    "features.h",
+  ]
+
+  deps = [
+    "//base:base",
+  ]
+}