Dart snapshot runs & and few other misc things.

Source/bindings/core/dart/dart-extras.gypi

 {
   'variables': {
     'global_dart_output_dir': '<(SHARED_INTERMEDIATE_DIR)/blink/bindings/dart',
     'dart_dir': '../../../../../../dart',
     'dart_lib_dir': '<(dart_dir)/sdk/lib',
     'resources_dir': 'resources',
     'build_dir': '../../../build',
     'core_dir': '../../../core',
     'modules_dir': '../../../modules',
     'core_gyp_dir': '<(core_dir)',
@@ skipping 74 matching lines @@
       },
       'sources': [
         # '<!@(cat <(idls_list_temp_file))',
       ],
       'actions': [
         {
           'action_name': 'build_dart_snapshot',
           'variables': {
             'output_path': '<(SHARED_INTERMEDIATE_DIR)/blink/bindings/dart',
             'pure_libs': [
-              '<(global_dart_output_dir)/_blink_dartium.dart',
+              '<(dart_lib_dir)/_blink/dartium/_blink_dartium.dart',
               '<(dart_dir)/runtime/bin/vmserviceio_dartium.dart',
               '<(dart_lib_dir)/html/html_common/html_common.dart',
               '<(dart_lib_dir)/js/dartium/js_dartium.dart',
               '<(dart_lib_dir)/html/dartium/html_dartium.dart',
               '<(dart_lib_dir)/indexed_db/dartium/indexed_db_dartium.dart',
               '<(dart_lib_dir)/svg/dartium/svg_dartium.dart',
               '<(dart_lib_dir)/web_audio/dartium/web_audio_dartium.dart',
               '<(dart_lib_dir)/web_gl/dartium/web_gl_dartium.dart',
               '<(dart_lib_dir)/web_sql/dartium/web_sql_dartium.dart',
             ],
@@ skipping 18 matching lines @@
             '<(resources_dir)/DartSnapshot.bytes.template',
             '<(output_path)',
             '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)gen_snapshot<(EXECUTABLE_SUFFIX)',
             '<@(pure_libs)',
           ],
         },
       ],
     },
   ],
 }