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

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

 // Copyright 2016 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/ForeignFetchEvent.h"
 
 #include "modules/fetch/Request.h"
 #include "modules/serviceworkers/ServiceWorkerGlobalScope.h"
 #include "wtf/RefPtr.h"
 
@@ skipping 12 matching lines @@
 ForeignFetchEvent* ForeignFetchEvent::create(const AtomicString& type, const ForeignFetchEventInit& initializer, ForeignFetchRespondWithObserver* observer)
 {
     return new ForeignFetchEvent(type, initializer, observer);
 }
 
 Request* ForeignFetchEvent::request() const
 {
     return m_request;
 }
 
+String ForeignFetchEvent::origin() const
+{
+    return m_origin;
+}
+
 void ForeignFetchEvent::respondWith(ScriptState* scriptState, ScriptPromise scriptPromise, ExceptionState& exceptionState)
 {
     stopImmediatePropagation();
     if (m_observer)
         m_observer->respondWith(scriptState, scriptPromise, exceptionState);
 }
 
 const AtomicString& ForeignFetchEvent::interfaceName() const
 {
     return EventNames::ForeignFetchEvent;
 }
 
 ForeignFetchEvent::ForeignFetchEvent()
 {
 }
 
 ForeignFetchEvent::ForeignFetchEvent(const AtomicString& type, const ForeignFetchEventInit& initializer, ForeignFetchRespondWithObserver* observer)
     : ExtendableEvent(type, initializer)
     , m_observer(observer)
 {
     if (initializer.hasRequest())
         m_request = initializer.request();
+    if (initializer.hasOrigin())
+        m_origin = initializer.origin();
 }
 
 DEFINE_TRACE(ForeignFetchEvent)
 {
     visitor->trace(m_observer);
     visitor->trace(m_request);
     ExtendableEvent::trace(visitor);
 }
 
 } // namespace blink