Reorganize Blink IDL build, delete obsolete GYP files.

third_party/WebKit/Source/bindings/scripts/interfaces_info_overall.gypi

-# 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.
-#
-# This file is meant to be included into a target to provide an action
-# to compute overall information about interfaces defined in a component.
-#
-# To use this, create a gyp target with the following form:
-# {
-#   'target_name': 'interfaces_info_component',
-#   'dependencies': [
-#       'interfaces_info_individual_base_component',
-#       'interfaces_info_individual_component',
-#   ],
-#   'variables': {
-#     'input_files': [
-#       '<(bindings_base_component_output_dir)/InterfacesInfoBaseComponentIndividual.pickle',
-#       '<(bindings_component_output_dir)/InterfacesInfoComponentIndividual.pickle',
-#     ],
-#     'output_file':
-#       '<(bindings_component_output_dir)/InterfacesInfoComponent.pickle',
-#   },
-#   'includes': ['path/to/this/gypi/file'],
-# },
-#
-# Required variables:
-#  input_files - Pickle files containing info about individual interfaces, both
-#    current component and any base components.
-#  output_file - Pickle file containing output (overall info).
-#
-# Design document: http://www.chromium.org/developers/design-documents/idl-build
-
-{
-  'type': 'none',
-  'actions': [{
-    'action_name': 'compute_<(_target_name)',
-    'message': 'Computing overall global information about IDL files for <(_target_name)',
-
-    'inputs': [
-      '<(bindings_scripts_dir)/compute_interfaces_info_overall.py',
-      '<@(input_files)',
-    ],
-    'outputs': [
-      '<(output_file)',
-    ],
-    'action': [
-      'python',
-      '<(bindings_scripts_dir)/compute_interfaces_info_overall.py',
-      '--write-file-only-if-changed',
-      '<(write_file_only_if_changed)',
-      '--',
-      '<@(input_files)',
-      '<(output_file)',
-    ],
-  }],
-}