WIP don't review: Implement Future

Source/core/core.gypi

 
 {
     'variables': {
         'core_idl_files': [
             'css/CSS.idl',
             'css/CSSCharsetRule.idl',
             'css/CSSFontFaceLoadEvent.idl',
             'css/CSSFontFaceRule.idl',
             'css/CSSHostRule.idl',
             'css/CSSImportRule.idl',
@@ skipping 53 matching lines @@
             'dom/Document.idl',
             'dom/DocumentFragment.idl',
             'dom/DocumentType.idl',
             'dom/Element.idl',
             'dom/Entity.idl',
             'dom/ErrorEvent.idl',
             'dom/Event.idl',
             'dom/EventException.idl',
             'dom/EventTarget.idl',
             'dom/FocusEvent.idl',
+            'dom/Future.idl',
+            'dom/FutureResolver.idl',
             'dom/HashChangeEvent.idl',
             'dom/KeyboardEvent.idl',
             'dom/MessageChannel.idl',
             'dom/MessageEvent.idl',
             'dom/MessagePort.idl',
             'dom/MouseEvent.idl',
             'dom/MutationEvent.idl',
             'dom/MutationObserver.idl',
             'dom/MutationRecord.idl',
             'dom/DOMNamedFlowCollection.idl',
@@ skipping 1561 matching lines @@
             'xml/XSLTProcessor.cpp',
             'xml/XSLTProcessor.h',
             'xml/XSLTProcessorLibxslt.cpp',
             'xml/XSLTUnicodeSort.cpp',
             'xml/XSLTUnicodeSort.h',
         ],
         'webcore_dom_files': [
             'dom/ActiveDOMObject.cpp',
             'dom/AnimationEvent.cpp',
             'dom/AnimationEvent.h',
+            'dom/AnyCallback.h',
             'dom/Attr.cpp',
             'dom/AutocompleteErrorEvent.h',
             'dom/BeforeLoadEvent.h',
             'dom/BeforeTextInsertedEvent.cpp',
             'dom/BeforeTextInsertedEvent.h',
             'dom/BeforeUnloadEvent.cpp',
             'dom/BeforeUnloadEvent.h',
             'dom/CDATASection.cpp',
             'dom/CDATASection.h',
             'dom/CharacterData.cpp',
@@ skipping 88 matching lines @@
             'dom/EventPathWalker.cpp',
             'dom/EventPathWalker.h',
             'dom/EventQueue.h',
             'dom/EventSender.h',
             'dom/EventTarget.cpp',
             'dom/ExceptionBase.cpp',
             'dom/ExceptionBase.h',
             'dom/ExceptionCodePlaceholder.cpp',
             'dom/FocusEvent.cpp',
             'dom/FocusEvent.h',
+            'dom/Future.cpp',
+            'dom/Future.h',
+            'dom/FutureInit.h',
+            'dom/FutureResolver.cpp',
+            'dom/FutureResolver.h',
             'dom/GenericEventQueue.cpp',
             'dom/GenericEventQueue.h',
             'dom/GestureEvent.cpp',
             'dom/GestureEvent.h',
             'dom/HashChangeEvent.h',
             'dom/IgnoreDestructiveWriteCountIncrementer.h',
             'dom/IconURL.cpp',
             'dom/IconURL.h',
             'dom/IdTargetObserver.cpp',
             'dom/IdTargetObserver.h',
@@ skipping 1905 matching lines @@
                 'bison_exe': 'bison',
                 # We specify a preprocess so it happens locally and won't get
                 # distributed to goma.
                 # FIXME: /usr/bin/gcc won't exist on OSX forever. We want to
                 # use /usr/bin/clang once we require Xcode 4.x.
                 'preprocessor': '--preprocessor "/usr/bin/gcc -E -P -x c++"'
               }],
          ],
     }
 }