Work on blink GN bindings

Source/bindings/core/v8/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 bindings for core, plus aggregate bindings files.
 #
 # Design doc: http://www.chromium.org/developers/design-documents/idl-build
 
 {
   'includes': [
     # ../../.. == Source
     '../../../bindings/bindings.gypi',
     '../../../bindings/core/generated.gypi',
     '../../../bindings/core/idl.gypi',
     # FIXME: need info about modules IDL files because some core IDL files
     # depend on modules IDL files  http://crbug.com/358074
     '../../../bindings/modules/idl.gypi',
     '../../../bindings/modules/modules.gypi',
     '../../../bindings/scripts/scripts.gypi',
     '../../../core/core.gypi',
     'generated.gypi',
   ],
 
   'targets': [
 ################################################################################
   {
+    # GN version: //third_party/WebKit/Source/bindings/core/v8:bindings_core_v8_generated_individual
     'target_name': 'bindings_core_v8_generated_individual',
     'type': 'none',
     # The 'binding' rule generates .h files, so mark as hard_dependency, per:
     # https://code.google.com/p/gyp/wiki/InputFormatReference#Linking_Dependencies
     'hard_dependency': 1,
     'dependencies': [
       '../../../core/core_generated.gyp:generated_testing_idls',
       '../generated.gyp:core_global_constructors_idls',
       # FIXME: should not depend on modules, but partial interface definitions
       # in modules change bindings for core http://crbug.com/358074
@@ skipping 52 matching lines @@
         '<(bindings_modules_output_dir)/InterfacesInfoModules.pickle',
         '--write-file-only-if-changed',
         '<(write_file_only_if_changed)',
         '<(RULE_INPUT_PATH)',
       ],
       'message': 'Generating binding from <(RULE_INPUT_PATH)',
     }],
   },
 ################################################################################
   {
+    # GN version: //third_party/WebKit/Source/bindings/core/v8:bindings_core_v8_generated_aggregate
     'target_name': 'bindings_core_v8_generated_aggregate',
     'type': 'none',
     'actions': [{
       'action_name': 'generate_aggregate_bindings_core_v8',
       'inputs': [
         '<(bindings_scripts_dir)/aggregate_generated_bindings.py',
         '<(core_idl_files_list)',
       ],
       'outputs': [
         '<@(bindings_core_v8_generated_aggregate_files)',
       ],
       'action': [
         'python',
         '<(bindings_scripts_dir)/aggregate_generated_bindings.py',
         'core',
         '<(core_idl_files_list)',
         '--',
         '<@(bindings_core_v8_generated_aggregate_files)',
       ],
       'message': 'Generating aggregate generated core V8 bindings files',
     }],
   },
 ################################################################################
   {
+    # GN version: //third_party/WebKit/Source/bindings/core/v8:bindings_core_v8_generated
     'target_name': 'bindings_core_v8_generated',
     'type': 'none',
     'dependencies': [
       'bindings_core_v8_generated_aggregate',
       'bindings_core_v8_generated_individual',
     ],
   },
 ################################################################################
   ],  # targets
 }