Use process_in_files helper for make_core_generated_html_element_lookup_trie

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 75 matching lines @@
   ]
 }
 
 source_set("core_generated") {
   sources = bindings_core_v8_files
   # These files include all the .cpp files generated from the .idl files
   # in webcore_files.
   sources += bindings_core_generated_aggregate_files
 
   sources += [
-    "$sky_core_output_dir/HTMLElementLookupTrie.cpp",
-    "$sky_core_output_dir/HTMLElementLookupTrie.h",
-
     # Generated from HTMLEntityNames.in
     "$sky_core_output_dir/HTMLEntityTable.cpp",
 
     # Generated from CSSTokenizer-in.cpp
     "$sky_core_output_dir/CSSTokenizer.cpp",
 
     # Generated from BisonCSSParser-in.cpp
     "$sky_core_output_dir/BisonCSSParser.cpp",
 
     # Generated from HTMLMetaElement-in.cpp
@@ skipping 367 matching lines @@
     "$sky_core_output_dir/MediaQueryTokenizerCodepoints.cpp",
   ]
 
   args = [
     "--output_dir", rel_sky_core_gen_dir,
   ]
 
   deps = make_core_generated_deps
 }
 
-action("make_core_generated_html_element_lookup_trie") {
+process_in_files("make_core_generated_html_element_lookup_trie") {
   script = "../build/scripts/make_element_lookup_trie.py"
-
-  input_file = "html/HTMLTagNames.in"
-  inputs = scripts_for_in_files + [
-    input_file,
+  in_files = [
+    "html/HTMLTagNames.in",
+  ]
+  other_inputs = [
     "../build/scripts/templates/ElementLookupTrie.cpp.tmpl",
     "../build/scripts/templates/ElementLookupTrie.h.tmpl",
   ]
   outputs = [
     "$sky_core_output_dir/HTMLElementLookupTrie.cpp",
     "$sky_core_output_dir/HTMLElementLookupTrie.h",
   ]
-
-  args = [
-    rebase_path(input_file, root_build_dir),
-    "--output_dir", rel_sky_core_gen_dir,
+  deps = [
+    ":core_names",
+    ":libraries",
   ]
-
-  deps = make_core_generated_deps
 }
 
 action_foreach("make_core_generated_bison") {
   script = "../build/scripts/rule_bison.py"
   sources = [
     "css/parser/CSSGrammar.y",
   ]
   outputs = [
     "$sky_core_output_dir/{{source_name_part}}.cpp",
     "$sky_core_output_dir/{{source_name_part}}.h",
   ]
   args = [
     "{{source}}",
     rel_sky_core_gen_dir,
     bison_exe,
   ]
 
   deps = make_core_generated_deps
 }