Eliminate the old non blink code paths from idl generation

tools/dom/scripts/dartdomgenerator.py

Index: tools/dom/scripts/dartdomgenerator.py
diff --git a/tools/dom/scripts/dartdomgenerator.py b/tools/dom/scripts/dartdomgenerator.py
index d9e1837695ceac8cd4e742c83f8b940d00b439e0..9904565b3837299e29851d0adc4d5e71b2f9d7dd 100755
--- a/tools/dom/scripts/dartdomgenerator.py
+++ b/tools/dom/scripts/dartdomgenerator.py
@@ -50,8 +50,7 @@ def LoadDatabase(database_dir, use_database_cache):
   return common_database
 
 def GenerateFromDatabase(common_database, dart2js_output_dir,
-                         dartium_output_dir, update_dom_metadata=False,
-                         dart_use_blink=False):
+                         dartium_output_dir, update_dom_metadata=False):
   current_dir = os.path.dirname(__file__)
   auxiliary_dir = os.path.join(current_dir, '..', 'src')
   template_dir = os.path.join(current_dir, '..', 'templates')
@@ -121,7 +120,7 @@ def GenerateFromDatabase(common_database, dart2js_output_dir,
     template_loader = TemplateLoader(template_dir,
                                      template_paths,
                                      {'DARTIUM': True, 'DART2JS': False,
-                                      'DART_USE_BLINK' : dart_use_blink})

[Emily Fortuna, 2014/08/07 18:35:11]

shall we just delete this key from the map?

[Leaf, 2014/08/07 19:38:24]

Done.

+                                      'DART_USE_BLINK' : True})
     backend_options = GeneratorOptions(
         template_loader, webkit_database, type_registry, renamer,
         metadata)
@@ -134,7 +133,7 @@ def GenerateFromDatabase(common_database, dart2js_output_dir,
                                 auxiliary_dir)
     backend_factory = lambda interface:\
         DartiumBackend(interface, native_library_emitter,
-                       cpp_library_emitter, backend_options, dart_use_blink)
+                       cpp_library_emitter, backend_options)
     dart_libraries = DartLibraries(
         HTML_LIBRARY_NAMES, template_loader, 'dartium', dartium_output_dir)
     RunGenerator(dart_libraries, dart_output_dir,
@@ -179,10 +178,6 @@ def main():
                     action='store', type='string',
                     default=None,
                     help='Directory to put the generated files')
-  parser.add_option('--use-blink', dest='dart_use_blink',
-                    action='store_true',
-                    default=False,
-                    help='''Delegate all native calls to dart:blink''')
   parser.add_option('--use-database-cache', dest='use_database_cache',
                     action='store_true',
                     default=False,
@@ -217,7 +212,7 @@ def main():
     # Load the previously generated database.
     database = LoadDatabase(database_dir, options.use_database_cache)
   GenerateFromDatabase(database, dart2js_output_dir, dartium_output_dir,
-      options.update_dom_metadata, options.dart_use_blink)
+      options.update_dom_metadata)
 
   if 'htmldart2js' in systems:
     _logger.info('Generating dart2js single files.')