Implement the infrastructure of creating WorkerFetchContext in worker global scope.

third_party/WebKit/Source/web/DedicatedWorkerMessagingProxyProviderImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "web/DedicatedWorkerMessagingProxyProviderImpl.h"
 
 #include "core/dom/Document.h"
+#include "core/loader/WorkerFetchContext.h"
 #include "core/workers/DedicatedWorkerMessagingProxy.h"
 #include "core/workers/Worker.h"
 #include "core/workers/WorkerClients.h"
 #include "core/workers/WorkerContentSettingsClient.h"
+#include "platform/RuntimeEnabledFeatures.h"
 #include "platform/wtf/PtrUtil.h"
+#include "public/platform/Platform.h"
 #include "public/platform/WebContentSettingsClient.h"
 #include "public/platform/WebString.h"
+#include "public/platform/WebWorkerFetchContext.h"
 #include "public/web/WebFrameClient.h"
 #include "public/web/WebWorkerContentSettingsClientProxy.h"
 #include "web/IndexedDBClientImpl.h"
 #include "web/LocalFileSystemClient.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebViewImpl.h"
 
 namespace blink {
 
 DedicatedWorkerMessagingProxyProviderImpl::
     DedicatedWorkerMessagingProxyProviderImpl(Page& page)
     : DedicatedWorkerMessagingProxyProvider(page) {}
 
 InProcessWorkerMessagingProxy*
 DedicatedWorkerMessagingProxyProviderImpl::CreateWorkerMessagingProxy(
     Worker* worker) {
   if (worker->GetExecutionContext()->IsDocument()) {
     Document* document = ToDocument(worker->GetExecutionContext());
     WebLocalFrameImpl* web_frame =
         WebLocalFrameImpl::FromFrame(document->GetFrame());
     WorkerClients* worker_clients = WorkerClients::Create();
     ProvideIndexedDBClientToWorker(
         worker_clients, IndexedDBClientImpl::Create(*worker_clients));
     ProvideLocalFileSystemToWorker(worker_clients,
                                    LocalFileSystemClient::Create());
     ProvideContentSettingsClientToWorker(
         worker_clients,
         WTF::WrapUnique(
             web_frame->Client()->CreateWorkerContentSettingsClientProxy()));
+    if (RuntimeEnabledFeatures::offMainThreadFetchEnabled()) {
+      std::unique_ptr<WebWorkerFetchContext> web_worker_fetch_context =
+          web_frame->Client()->CreateWorkerFetchContext();
+      DCHECK(web_worker_fetch_context);
+      // TODO(horo): Set more information about the context (ex:
+      // DataSaverEnabled) to |web_worker_fetch_context|.
+      ProvideWorkerFetchContextToWorker(worker_clients,
+                                        std::move(web_worker_fetch_context));
+    }
     // FIXME: call provideServiceWorkerContainerClientToWorker here when we
     // support ServiceWorker in dedicated workers (http://crbug.com/371690)
     return new DedicatedWorkerMessagingProxy(worker, worker_clients);
   }
   NOTREACHED();
   return 0;
 }
 
 }  // namespace blink