Revert of Service Worker: Add FetchEvent.clientId

third_party/WebKit/Source/modules/serviceworkers/FetchEvent.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/FetchEvent.h"
 
 #include "modules/fetch/Request.h"
 #include "modules/serviceworkers/ServiceWorkerGlobalScope.h"
 #include "wtf/RefPtr.h"
 
@@ skipping 12 matching lines @@
 PassRefPtrWillBeRawPtr<FetchEvent> FetchEvent::create(const AtomicString& type, const FetchEventInit& initializer, RespondWithObserver* observer)
 {
     return adoptRefWillBeNoop(new FetchEvent(type, initializer, observer));
 }
 
 Request* FetchEvent::request() const
 {
     return m_request;
 }
 
-String FetchEvent::clientId() const
-{
-    return m_clientId;
-}
-
 bool FetchEvent::isReload() const
 {
     return m_isReload;
 }
 
 void FetchEvent::respondWith(ScriptState* scriptState, ScriptPromise scriptPromise, ExceptionState& exceptionState)
 {
     stopImmediatePropagation();
     m_observer->respondWith(scriptState, scriptPromise, exceptionState);
 }
 
 const AtomicString& FetchEvent::interfaceName() const
 {
     return EventNames::FetchEvent;
 }
 
 FetchEvent::FetchEvent()
     : m_isReload(false)
 {
 }
 
 FetchEvent::FetchEvent(const AtomicString& type, const FetchEventInit& initializer, RespondWithObserver* observer)
     : ExtendableEvent(type, initializer)
     , m_observer(observer)
 {
     if (initializer.hasRequest())
         m_request = initializer.request();
-    m_clientId = initializer.clientId();
     m_isReload = initializer.isReload();
 }
 
 DEFINE_TRACE(FetchEvent)
 {
     visitor->trace(m_observer);
     visitor->trace(m_request);
     ExtendableEvent::trace(visitor);
 }
 
 } // namespace blink