DevTools: split protocol.json into files per domain.

headless/BUILD.gn

 # Copyright 2015 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("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 
 group("headless") {
   deps = [
@@ skipping 38 matching lines @@
 grit("headless_lib_resources_grit") {
   source = "lib/resources/headless_lib_resources.grd"
   outputs = [
     "grit/headless_lib_resources.h",
     "$root_gen_dir/headless/headless_lib_resources.pak",
   ]
 }
 
 action("gen_devtools_client_api") {
   script = "//headless/lib/browser/client_api_generator.py"
-
+  deps = [
+    "//third_party/WebKit/Source/core/inspector:protocol_version",
+  ]
   inputs = [
-    "//third_party/WebKit/Source/devtools/protocol.json",
+    "$root_gen_dir/blink/core/inspector/protocol.json",
   ]
 
   outputs = [
     "$target_gen_dir/public/domains/accessibility.cc",
     "$target_gen_dir/public/domains/accessibility.h",
     "$target_gen_dir/public/domains/animation.cc",
     "$target_gen_dir/public/domains/animation.h",
     "$target_gen_dir/public/domains/application_cache.cc",
     "$target_gen_dir/public/domains/application_cache.h",
     "$target_gen_dir/public/domains/cache_storage.cc",
@@ skipping 261 matching lines @@
   sources = [
     "app/headless_shell.cc",
     "app/headless_shell_switches.cc",
     "app/headless_shell_switches.h",
   ]
 
   deps = [
     "//headless:headless_lib",
   ]
 }