Not for review - Rebase of crrev.com/62833003

Source/core/workers/TeleportContext.idl

Index: Source/core/workers/TeleportContext.idl
diff --git a/Source/bindings/tests/idls/core/TestInterfaceWillBeGarbageCollected.idl b/Source/core/workers/TeleportContext.idl
similarity index 76%
copy from Source/bindings/tests/idls/core/TestInterfaceWillBeGarbageCollected.idl
copy to Source/core/workers/TeleportContext.idl
index be955b036e9a15db6af2329cc3ba4a15dc9f73ed..d6a802841da370463ff1c6a34a634cc8b3a9a7e5 100644
--- a/Source/bindings/tests/idls/core/TestInterfaceWillBeGarbageCollected.idl
+++ b/Source/core/workers/TeleportContext.idl
@@ -29,10 +29,16 @@
  */
 
 [
-    Constructor(DOMString str),
-    NamedConstructor=TestInterface(DOMString str),
     WillBeGarbageCollected,
-] interface TestInterfaceWillBeGarbageCollected : EventTarget { // Inherit from EventTarget to test order of internal fields
-    attribute TestInterfaceWillBeGarbageCollected attr1;
-    void func(TestInterfaceWillBeGarbageCollected arg);
+    Exposed=UIWorker,
+    Constructor(sequence<DOMString> propertyIds),
+] interface TeleportContext {
+    // http://www.w3.org/TR/hr-time/ for details. 
+    readonly attribute double timestamp;
+
+    [RaisesException] WebKitCSSMatrix getMatrix(DOMString propertyId);
+    [RaisesException] void setMatrix(DOMString propertyId, WebKitCSSMatrix value);
+
+    [RaisesException] double getScalar(DOMString propertyId);
+    [RaisesException] void setScalar(DOMString propertyId, double value);
 };