Bring back ScriptDebugServer and associated machinery

sky/engine/core/BUILD.gn

 # Copyright 2014 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("//sky/engine/bindings/scripts/scripts.gni")
 import("//sky/engine/build/scripts/scripts.gni")
 import("//sky/engine/core/core.gni")
 
 visibility = ["//sky/engine/*"]
 
@@ skipping 24 matching lines @@
     "//v8",
   ]
 }
 
 source_set("prerequisites") {
   deps = [
     ":libraries",
     ":make_core_generated",
     "//sky/engine/bindings/core/v8:bindings_core_v8_generated",
     "//sky/engine/platform",
+    "inspector:protocol_sources",
   ]
 
   forward_dependent_configs_from = [
     ":libraries",
   ]
 
   direct_dependent_configs = [
     "//sky/engine:config",
     "//sky/engine:inside_blink",
     "//build/config/compiler:wexit_time_destructors"
@@ skipping 415 matching lines @@
     "$sky_core_output_dir/{{source_name_part}}.h",
   ]
   args = [
     "{{source}}",
     rel_sky_core_gen_dir,
     bison_exe,
   ]
 
   deps = make_core_generated_deps
 }