Move Fetch API releted code to modules/fetch.

Source/modules/fetch/GlobalFetch.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 "config.h"
-#include "modules/serviceworkers/GlobalFetch.h"
+#include "modules/fetch/GlobalFetch.h"
 
 #include "core/dom/ActiveDOMObject.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/workers/WorkerGlobalScope.h"
-#include "modules/serviceworkers/FetchManager.h"
-#include "modules/serviceworkers/Request.h"
+#include "modules/fetch/FetchManager.h"
+#include "modules/fetch/Request.h"
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 namespace {
 
 template <typename T>
 class GlobalFetchImpl final : public NoBaseWillBeGarbageCollectedFinalized<GlobalFetchImpl<T>>, public WillBeHeapSupplement<T> {
@@ skipping 64 matching lines @@
 {
     return GlobalFetchImpl<LocalDOMWindow>::from(toLocalDOMWindow(window), window.executionContext()).fetch(scriptState, input, init, exceptionState);
 }
 
 ScriptPromise GlobalFetch::fetch(ScriptState* scriptState, WorkerGlobalScope& worker, const RequestInfo& input, const Dictionary& init, ExceptionState& exceptionState)
 {
     return GlobalFetchImpl<WorkerGlobalScope>::from(worker, worker.executionContext()).fetch(scriptState, input, init, exceptionState);
 }
 
 } // namespace blink