Add link preload as=document support

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerClient.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/ServiceWorkerClient.h"
 #include "modules/serviceworkers/ServiceWorkerWindowClient.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/SerializedScriptValue.h"
@@ skipping 42 matching lines @@
 
 String ServiceWorkerClient::frameType() const
 {
     switch (m_frameType) {
     case WebURLRequest::FrameTypeAuxiliary:
         return "auxiliary";
     case WebURLRequest::FrameTypeNested:
         return "nested";
     case WebURLRequest::FrameTypeNone:
         return "none";
+    case WebURLRequest::FrameTypePreload:
+        return "preload";
     case WebURLRequest::FrameTypeTopLevel:
         return "top-level";
     }
 
     ASSERT_NOT_REACHED();
     return String();
 }
 
 void ServiceWorkerClient::postMessage(ExecutionContext* context, PassRefPtr<SerializedScriptValue> message, const MessagePortArray& ports, ExceptionState& exceptionState)
 {
     // Disentangle the port in preparation for sending it to the remote context.
     std::unique_ptr<MessagePortChannelArray> channels = MessagePort::disentanglePorts(context, ports, exceptionState);
     if (exceptionState.hadException())
         return;
 
     if (message->containsTransferableArrayBuffer())
         context->addConsoleMessage(ConsoleMessage::create(JSMessageSource, WarningMessageLevel, "ServiceWorkerClient cannot send an ArrayBuffer as a transferable object yet. See http://crbug.com/511119"));
 
     WebString messageString = message->toWireString();
     std::unique_ptr<WebMessagePortChannelArray> webChannels = MessagePort::toWebMessagePortChannelArray(std::move(channels));
     ServiceWorkerGlobalScopeClient::from(context)->postMessageToClient(m_uuid, messageString, std::move(webChannels));
 }
 
 } // namespace blink