No Bug - Spelling error: detatched r=saschanaz DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D190114

dom/streams/ReadableByteStreamController.cpp

@@ -793,7 +793,7 @@ void ReadableByteStreamControllerEnqueue(
 
   // Step 6.
   if (JS::IsDetachedArrayBufferObject(buffer)) {
-    aRv.ThrowTypeError("Detatched Array Buffer");
+    aRv.ThrowTypeError("Detached Array Buffer");
     return;
   }
 

dom/streams/ReadableStreamBYOBRequest.cpp

@@ -111,7 +111,7 @@ void ReadableStreamBYOBRequest::RespondWithNewView(JSContext* aCx,
   }
 
   if (JS::IsDetachedArrayBufferObject(viewedArrayBuffer)) {
-    aRv.ThrowTypeError("View of Detatched Array Buffer");
+    aRv.ThrowTypeError("View of Detached Array Buffer");
     return;
   }