Expose and check origin of request in response for foreign fetch.

third_party/WebKit/Source/modules/serviceworkers/RespondWithObserver.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/serviceworkers/RespondWithObserver.h"
 
 #include "bindings/core/v8/ScriptFunction.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/V8Binding.h"
@@ skipping 44 matching lines @@
         break;
     case WebServiceWorkerResponseErrorResponseTypeOpaqueRedirect:
         errorMessage = errorMessage + "an \"opaqueredirect\" type response was used for a request which is not a navigation request.";
         break;
     case WebServiceWorkerResponseErrorBodyLocked:
         errorMessage = errorMessage + "a Response whose \"body\" is locked cannot be used to respond to a request.";
         break;
     case WebServiceWorkerResponseErrorNoForeignFetchResponse:
         errorMessage = errorMessage + "an object that was not a ForeignFetchResponse was passed to respondWith().";
         break;
+    case WebServiceWorkerResponseErrorForeignFetchHeadersWithoutOrigin:
+        errorMessage = errorMessage + "headers were specified for a response without an explicit origin.";
+        break;
+    case WebServiceWorkerResponseErrorForeignFetchMismatchedOrigin:
+        errorMessage = errorMessage + "origin in response does not match origin of request.";
+        break;
     case WebServiceWorkerResponseErrorUnknown:
     default:
         errorMessage = errorMessage + "an unexpected error occurred.";
         break;
     }
     return errorMessage;
 }
 
 bool isNavigationRequest(WebURLRequest::FrameType frameType)
 {
@@ skipping 190 matching lines @@
     , m_state(Initial)
 {
 }
 
 DEFINE_TRACE(RespondWithObserver)
 {
     ContextLifecycleObserver::trace(visitor);
 }
 
 } // namespace blink