List IDL compiler sources as inputs to GN's idl_impl action

Source/bindings/scripts/scripts.gni

 # 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("//third_party/WebKit/Source/bindings/core/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/modules/idl.gni")
 import("//third_party/WebKit/Source/bindings/modules/modules.gni")
 
 bindings_scripts_dir = get_path_info(".", "abspath")
 bindings_scripts_output_dir = "$root_gen_dir/blink/bindings/scripts"
@@ skipping 179 matching lines @@
 #   output_dir = the directory to put the output files
 #   target_component = component to generate code for
 template("idl_impl") {
   dictionary_impl_output_dir = "$root_gen_dir/blink/"
 
   action(target_name) {
     script = "//third_party/WebKit/Source/bindings/scripts/idl_compiler.py"
     idl_files_list = "$target_gen_dir/${target_name}_file_list.tmp"
     write_file(idl_files_list, rebase_path(invoker.sources, root_build_dir))
 
-    inputs = [ idl_files_list ] + invoker.sources
+    inputs =
+      idl_lexer_parser_files +  # to be explicit (covered by parsetab)
+      idl_compiler_files
+    inputs += [
+      "$bindings_scripts_output_dir/lextab.py",
+      "$bindings_scripts_output_dir/parsetab.pickle",
+      "$bindings_scripts_output_dir/cached_jinja_templates.stamp",
+      "$bindings_dir/IDLExtendedAttributes.txt",
+    ]
+    inputs += [ idl_files_list ] + invoker.sources
     outputs = invoker.outputs
 
     args = [
       "--cache-dir",
       rebase_path(bindings_scripts_output_dir, root_build_dir),
       "--output-dir",
       rebase_path(invoker.output_dir, root_build_dir),
       "--impl-output-dir",
       rebase_path(dictionary_impl_output_dir, root_build_dir),
       "--info-dir",
@@ skipping 130 matching lines @@
       output_header_files += [
         "$output_dir/${interface}${component}Constructors.h"
       ]
     }
 
     outputs = output_idl_files + output_header_files
     deps = invoker.deps
   }
 }