[ServiceWorker] Fetch event should return integrity value

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 "bindings/core/v8/ToV8ForCore.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/timing/WorkerGlobalScopePerformance.h"
 #include "modules/fetch/BytesConsumerForDataConsumerHandle.h"
@@ skipping 81 matching lines @@
           this,
           PreloadResponseProperty::kPreloadResponse)) {
   if (!navigation_preload_sent)
     preload_response_property_->ResolveWithUndefined();
 
   client_id_ = initializer.clientId();
   is_reload_ = initializer.isReload();
   if (initializer.hasRequest()) {
     ScriptState::Scope scope(script_state);
     request_ = initializer.request();
+

[xiaofengzhang, 2017/06/19 03:17:05]

rebase error, should be discarded

     v8::Local<v8::Value> request = ToV8(request_, script_state);
     v8::Local<v8::Value> event = ToV8(this, script_state);
     if (event.IsEmpty()) {
       // |toV8| can return an empty handle when the worker is terminating.
       // We don't want the renderer to crash in such cases.
       // TODO(yhirano): Replace this branch with an assertion when the
       // graceful shutdown mechanism is introduced.
       return;
     }
     DCHECK(event->IsObject());
@@ skipping 85 matching lines @@
 
 DEFINE_TRACE(FetchEvent) {
   visitor->Trace(observer_);
   visitor->Trace(request_);
   visitor->Trace(preload_response_property_);
   ExtendableEvent::Trace(visitor);
   ContextClient::Trace(visitor);
 }
 
 }  // namespace blink