Add a minimal Security panel to DevTools (behind a hidden experiment).

Source/devtools/BUILD.gn

Index: Source/devtools/BUILD.gn
diff --git a/Source/devtools/BUILD.gn b/Source/devtools/BUILD.gn
index 415c533ad5858e7f1c63cd07dcc4cc4d69a0fdb2..67ccf76ca2571529a3fc470b59826f580e44787b 100644
--- a/Source/devtools/BUILD.gn
+++ b/Source/devtools/BUILD.gn
@@ -46,6 +46,7 @@ devtools_modules_js_files =
   gypi_values.devtools_profiler_js_files +
   gypi_values.devtools_promises_js_files +
   gypi_values.devtools_resources_js_files +
+  gypi_values.devtools_security_js_files +
   gypi_values.devtools_screencast_js_files +
   gypi_values.devtools_script_formatter_worker_js_files +
   gypi_values.devtools_settings_js_files +
@@ -144,6 +145,7 @@ action("generate_devtools_grd") {
       resources_out_dir + "profiler_module.js",
       resources_out_dir + "promises_module.js",
       resources_out_dir + "resources_module.js",
+      resources_out_dir + "security_module.js",
       resources_out_dir + "screencast_module.js",
       resources_out_dir + "script_formatter_worker_module.js",
       resources_out_dir + "settings_module.js",
@@ -253,6 +255,7 @@ action("build_applications") {
       resources_out_dir + "profiler_module.js",
       resources_out_dir + "promises_module.js",
       resources_out_dir + "resources_module.js",
+      resources_out_dir + "security_module.js",
       resources_out_dir + "screencast_module.js",
       resources_out_dir + "script_formatter_worker_module.js",
       resources_out_dir + "settings_module.js",