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

components/safe_browsing/web_ui/safe_browsing_ui.h

Index: components/safe_browsing/web_ui/safe_browsing_ui.h
diff --git a/components/safe_browsing/web_ui/safe_browsing_ui.h b/components/safe_browsing/web_ui/safe_browsing_ui.h
index 440fae2a086cd6e92c9b1d51ff785f38d11cc613..816c234ca7f8e2f86f58c74992c4f7c4dba2ba83 100644
--- a/components/safe_browsing/web_ui/safe_browsing_ui.h
+++ b/components/safe_browsing/web_ui/safe_browsing_ui.h
@@ -1,13 +1,32 @@
-// Copyright (c) 2017 The Chromium Authors. All rights reserved.
+// 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.
 
-#ifndef CHROME_BROWSER_UI_WEBUI_SAFE_BROWSING_UI_H_
-#define CHROME_BROWSER_UI_WEBUI_SAFE_BROWSING_UI_H_
+#ifndef COMPONENTS_SAFE_BROWSING_WEBUI_SAFE_BROWSING_UI_H_
+#define COMPONENTS_SAFE_BROWSING_WEBUI_SAFE_BROWSING_UI_H_
 
+#include "base/bind.h"
+#include "base/callback.h"
 #include "base/macros.h"
+#include "base/values.h"
 #include "content/public/browser/url_data_source.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_controller.h"
+#include "content/public/browser/web_ui_data_source.h"
+#include "content/public/browser/web_ui_message_handler.h"
+
+namespace safe_browsing {
+class SafeBrowsingUIHandler : public content::WebUIMessageHandler {
+ public:
+  SafeBrowsingUIHandler();
+  ~SafeBrowsingUIHandler() override;
+  void ExpParamList(const base::ListValue* args);
+  void RegisterMessages() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(SafeBrowsingUIHandler);
+};
 
 // The WebUI for chrome://safe-browsing
 class SafeBrowsingUI : public content::WebUIController {
@@ -18,5 +37,6 @@ class SafeBrowsingUI : public content::WebUIController {
  private:
   DISALLOW_COPY_AND_ASSIGN(SafeBrowsingUI);
 };
+}  // namespace safe_browsing
 
-#endif  // CHROME_BROWSER_UI_WEBUI_SAFE_BROWSING_UI_H_
+#endif  // COMPONENTS_SAFE_BROWSING_WEBUI_SAFE_BROWSING_UI_H_