Removing all Worker-related APIs

tools/dom/scripts/systemhtml.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This module provides shared functionality for the system to generate
 Dart:html APIs from the IDL database."""
 
 import emitter
 import monitored
@@ skipping 52 matching lines @@
     'WheelEvent.deltaMode',
     'WheelEvent.wheelDeltaX',
     'WheelEvent.wheelDeltaY',
     'Window.cancelAnimationFrame',
     'Window.console',
     'Window.document',
     'Window.indexedDB',
     'Window.location',
     'Window.open',
     'Window.requestAnimationFrame',
-    'WorkerContext.indexedDB',
+    # 'WorkerContext.indexedDB', # Workers
     ])
 
 _js_custom_constructors = monitored.Set('systemhtml._js_custom_constructors', [
     'AudioContext',
     'Blob',
     'MutationObserver',
     'RTCIceCandidate',
     'RTCPeerConnection',
     'RTCSessionDescription',
     'SpeechRecognition',
@@ skipping 304 matching lines @@
     'SVGLangSpace': ('supported(SvgElement element)',
         "JS('bool', '#.xmlspace !== undefined && #.xmllang !== undefined', "
         "element, element)"),
     'TouchList': "JS('bool', '!!document.createTouchList')",
     'XMLHttpRequestProgressEvent':
         "Device.isEventTypeSupported('XMLHttpRequestProgressEvent')",
     'WebGLRenderingContext': "JS('bool', '!!(window.WebGLRenderingContext)')",
     'WebKitCSSMatrix': "JS('bool', '!!(window.WebKitCSSMatrix)')",
     'WebKitPoint': "JS('bool', '!!(window.WebKitPoint)')",
     'WebSocket': "JS('bool', 'typeof window.WebSocket != \"undefined\"')",
+    'Worker': "JS('bool', '(typeof window.Worker != \"undefined\")')",
     'XSLTProcessor': "JS('bool', '!!(window.XSLTProcessor)')",
   }.items() +
   dict((key,
         SvgSupportStr(_svg_element_constructors[key]) if key.startswith('SVG')
             else ElemSupportStr(_html_element_constructors[key])) for key in
     _js_support_checks_basic_element_with_constructors +
     _js_support_checks_additional_element).items())
 # ------------------------------------------------------------------------------
 
 class HtmlDartInterfaceGenerator(object):
@@ skipping 14 matching lines @@
     self._library_name = self._renamer.GetLibraryName(self._interface)
 
   def Generate(self):
     if 'Callback' in self._interface.ext_attrs:
       self.GenerateCallback()
     else:
       self.GenerateInterface()
 
   def GenerateCallback(self):
     """Generates a typedef for the callback interface."""
+    typedef_name = self._renamer.RenameInterface(self._interface)
+    if not typedef_name:
+      return
+
     info = GetCallbackInfo(self._interface)
     code = self._library_emitter.FileEmitter(self._interface.id,
         self._library_name)
     code.Emit(self._template_loader.Load('callback.darttemplate'))
 
-    typedef_name = self._renamer.RenameInterface(self._interface)
     code.Emit('typedef void $NAME($PARAMS);\n',
               LIBRARYNAME='dart.dom.%s' % self._library_name,
               NAME=typedef_name,
               PARAMS=info.ParametersDeclaration(self._DartType))
     self._backend.GenerateCallback(info)
 
   def GenerateInterface(self):
     interface_name = self._interface_type_info.interface_name()
 
     factory_provider = None
@@ skipping 695 matching lines @@
     for library_name in libraries:
       self._libraries[library_name] = DartLibrary(
           library_name, template_loader, library_type, output_dir)
 
   def AddFile(self, basename, library_name, path):
     self._libraries[library_name].AddFile(path)
 
   def Emit(self, emitter, auxiliary_dir):
     for lib in self._libraries.values():
       lib.Emit(emitter, auxiliary_dir)