[followup] Revert of [Bindings] Remove aggregation of generated binding code

third_party/WebKit/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/core/core_idl_files.gni")
 import("//third_party/WebKit/Source/modules/modules_idl_files.gni")
 
 bindings_scripts_dir = get_path_info(".", "abspath")
 bindings_scripts_output_dir = "$root_gen_dir/blink/bindings/scripts"
 
@@ skipping 285 matching lines @@
       "--input-file",
       rebase_path(idl_files_list, root_build_dir),
     ]
     if (invoker.is_partial) {
       args += [ "--partial" ]
     }
     args += rebase_path(invoker.outputs, root_build_dir)
   }
 }
 
-# Calls the aggregate_generated_bindings script.
-#
-# Parameters:
-#   sources = a list of source IDL files.
-#   component_dir = Name of directory for these files (one word, no slashes).
-#   outputs = a list of files to write to.
-template("aggregate_generated_bindings") {
-  action(target_name) {
-    script = "//third_party/WebKit/Source/bindings/scripts/aggregate_generated_bindings.py"
-
-    # Write lists of main IDL files to a file, so that the command lines don't
-    # exceed OS length limits.
-    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
-    outputs = invoker.outputs
-
-    args = [
-      "--component-directory",
-      invoker.component_dir,
-      "--input-file",
-      rebase_path(idl_files_list, root_build_dir),
-    ]
-    if (invoker.is_partial) {
-      args += [ "--partial" ]
-    }
-    args += rebase_path(invoker.outputs, root_build_dir)
-  }
-}
-
 # Calls the compute_global_objects script.
 #
 # Parameters:
 #   sources = a list of source IDL files.
 #   sources_generated = a list of generated pickle sources.
 #   output_file = a pickle file to write to (need to specify directory)
 #
 template("compute_global_objects") {
   action(target_name) {
     script =
@@ skipping 72 matching lines @@
       args += [ rebase_path(output_idl_file, root_build_dir) ]
       output_idl_files += [ output_idl_file ]
       output_header_files +=
           [ "$output_dir/${interface}${component}Constructors.h" ]
     }
 
     outputs = output_idl_files + output_header_files
     deps = invoker.deps
   }
 }