avm2: Add concurrent classes

core/src/avm2/globals/flash/concurrent/Condition.as

@@ -0,0 +1,7 @@
+package flash.concurrent {
+    public final class Condition {
+        public static const isSupported: Boolean = false;
+
+        public function Condition(mutex: Mutex) {}
+    }
+}

core/src/avm2/globals/flash/concurrent/Mutex.as

@@ -0,0 +1,7 @@
+package flash.concurrent {
+    public final class Mutex {
+        public function Mutex() {
+            throw new Error("Error #1520: Mutex cannot be initialized.", 1520);
+        }
+    }
+}

core/src/avm2/globals/flash/system/WorkerDomain.as

@@ -0,0 +1,9 @@
+package flash.system {
+    public final class WorkerDomain {
+        public static const isSupported: Boolean = false;
+
+        public function WorkerDomain() {
+            throw new ArgumentError("Error #2012: WorkerDomain$ class cannot be instantiated.", 2012)
+        }
+    }
+}

core/src/avm2/globals/globals.as

@@ -28,6 +28,9 @@ include "flash/desktop/ClipboardTransferMode.as"
 include "flash/events/IEventDispatcher.as"
 include "flash/events/EventDispatcher.as"
 
+include "flash/concurrent/Condition.as"
+include "flash/concurrent/Mutex.as"
+
 include "flash/display/IBitmapDrawable.as"
 include "flash/display/DisplayObject.as"
 include "flash/display/Bitmap.as"
@@ -231,6 +234,7 @@ include "flash/system/SecurityPanel.as"
 include "flash/system/System.as"
 include "flash/system/SystemUpdaterType.as"
 include "flash/system/TouchscreenType.as"
+include "flash/system/WorkerDomain.as"
 include "flash/system/WorkerState.as"
 include "flash/text/AntiAliasType.as"
 include "flash/text/FontStyle.as"