Work on blink GN bindings

Source/bindings/modules/generated.gyp

 # 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.
 
 # Generate IDL interfaces info for modules, used to generate bindings
 #
 # Design doc: http://www.chromium.org/developers/design-documents/idl-build
 
 {
   'includes': [
     # ../.. == Source
     '../../bindings/core/core.gypi',
     '../../bindings/scripts/scripts.gypi',
     '../../build/scripts/scripts.gypi',  # FIXME: Needed for event files, should be in modules, not bindings_modules http://crbug.com/358074
     '../../modules/modules.gypi',
     'generated.gypi',
     'idl.gypi',
     'modules.gypi',
   ],
 
   'targets': [
 ################################################################################
   {
+    # GN version: //third_party/WebKit/Source/bindings/modules:bindings_modules_generated
     # FIXME: Should be in modules, not bindings_modules http://crbug.com/358074
     'target_name': 'modules_event_generated',
     'type': 'none',
     'actions': [
       {
+        # GN version: //third_party/WebKit/Source/bindings/modules:modules_bindings_generated_event_interfaces
         'action_name': 'event_interfaces',
         'variables': {
           'event_idl_files': [
             '<@(modules_event_idl_files)',
           ],
           'event_idl_files_list':
               '<|(event_idl_files_list.tmp <@(event_idl_files))',
         },
         'inputs': [
           '<(bindings_scripts_dir)/generate_event_interfaces.py',
@@ skipping 11 matching lines @@
           '<(event_idl_files_list)',
           '--event-interfaces-file',
           '<(blink_modules_output_dir)/EventModulesInterfaces.in',
           '--write-file-only-if-changed',
           '<(write_file_only_if_changed)',
           '--suffix',
           'Modules',
         ],
       },
       {
+        # GN version: //third_party/WebKit/Source/bindings/modules:bindings_modules_generated_event_modules_factory
         'action_name': 'EventModulesFactory',
         'inputs': [
           '<@(make_event_factory_files)',
           '<(blink_modules_output_dir)/EventModulesInterfaces.in',
         ],
         'outputs': [
           '<(blink_modules_output_dir)/EventModules.cpp',
           '<(blink_modules_output_dir)/EventModulesHeaders.h',
           '<(blink_modules_output_dir)/EventModulesInterfaces.h',
         ],
         'action': [
           'python',
           '../../build/scripts/make_event_factory.py',
           '<(blink_modules_output_dir)/EventModulesInterfaces.in',
           '--output_dir',
           '<(blink_modules_output_dir)',
         ],
       },
       {
+        # GN version: //third_party/WebKit/Source/bindings/modules:bindings_modules_generated_event_modules_names
         'action_name': 'EventModulesNames',
         'inputs': [
           '<@(make_names_files)',
           '<(blink_modules_output_dir)/EventModulesInterfaces.in',
         ],
         'outputs': [
           '<(blink_modules_output_dir)/EventModulesNames.cpp',
           '<(blink_modules_output_dir)/EventModulesNames.h',
         ],
         'action': [
           'python',
           '../../build/scripts/make_names.py',
           '<(blink_modules_output_dir)/EventModulesInterfaces.in',
           '--output_dir',
           '<(blink_modules_output_dir)',
         ],
       },
       {
+        # GN version: //third_party/WebKit/Source/bindings/modules:bindings_modules_generated_event_target_modules_factory
         'action_name': 'EventTargetModulesFactory',
         'inputs': [
           '<@(make_event_factory_files)',
           '../../modules/EventTargetModulesFactory.in',
         ],
         'outputs': [
           '<(blink_modules_output_dir)/EventTargetModulesHeaders.h',
           '<(blink_modules_output_dir)/EventTargetModulesInterfaces.h',
         ],
         'action': [
           'python',
           '../../build/scripts/make_event_factory.py',
           '../../modules/EventTargetModulesFactory.in',
           '--output_dir',
           '<(blink_modules_output_dir)',
         ],
       },
       {
+        # GN version: //third_party/WebKit/Source/bindings/modules:bindings_modules_generated_event_target_modules_names
         'action_name': 'EventTargetModulesNames',
         'inputs': [
           '<@(make_names_files)',
           '../../modules/EventTargetModulesFactory.in',
         ],
         'outputs': [
           '<(blink_modules_output_dir)/EventTargetModulesNames.cpp',
           '<(blink_modules_output_dir)/EventTargetModulesNames.h',
         ],
         'action': [
@@ skipping 105 matching lines @@
         '<(write_file_only_if_changed)',
         '--',
         # Generated files must be passed at command line
         '<@(modules_generated_idl_files)',
       ],
       'message': 'Computing global information about individual IDL files',
       }]
   },
 ################################################################################
   {
+    # GN version: //third_party/WebKit/Source/bindings/modules:interfaces_info
     'target_name': 'interfaces_info',
     'type': 'none',
     'dependencies': [
         '../core/generated.gyp:interfaces_info_individual_core',
         'interfaces_info_individual_modules',
     ],
     'actions': [{
       'action_name': 'compute_interfaces_info_overall',
       'inputs': [
         '<(bindings_scripts_dir)/compute_interfaces_info_overall.py',
@@ skipping 12 matching lines @@
         '<(bindings_core_output_dir)/InterfacesInfoCoreIndividual.pickle',
         '<(bindings_modules_output_dir)/InterfacesInfoModulesIndividual.pickle',
         '<(bindings_modules_output_dir)/InterfacesInfoModules.pickle',
       ],
       'message': 'Computing overall global information about IDL files',
       }]
   },
 ################################################################################
   ],  # targets
 }