[IDBObservers] Moving options from constructor to .observe call.

third_party/WebKit/Source/modules/indexeddb/IDBObserver.idl

Index: third_party/WebKit/Source/modules/indexeddb/IDBObserver.idl
diff --git a/third_party/WebKit/Source/modules/indexeddb/IDBObserver.idl b/third_party/WebKit/Source/modules/indexeddb/IDBObserver.idl
index acb4e444d9defd3efabd2a4212ed4bf1f9cf230e..fae8b65617c82b312f9518e9762254c65b363048 100644
--- a/third_party/WebKit/Source/modules/indexeddb/IDBObserver.idl
+++ b/third_party/WebKit/Source/modules/indexeddb/IDBObserver.idl
@@ -8,9 +8,9 @@ callback IDBObserverCallback = void (IDBObserverChanges changes);
 
 [
    Exposed=(Window,Worker),
-   CustomConstructor(IDBObserverCallback callback, IDBObserverInit options),
+   CustomConstructor(IDBObserverCallback callback),
    RuntimeEnabled=IDBObserver
 ] interface IDBObserver {
-    [RaisesException] void observe(IDBDatabase db, IDBTransaction tx);
+    [RaisesException] void observe(IDBDatabase db, IDBTransaction tx, IDBObserverInit options);
     [RaisesException] void unobserve(IDBDatabase db);
 };