Remove OwnPtr::release() calls in modules/ (part 3).

third_party/WebKit/Source/modules/serviceworkers/ServiceWorker.cpp

Index: third_party/WebKit/Source/modules/serviceworkers/ServiceWorker.cpp
diff --git a/third_party/WebKit/Source/modules/serviceworkers/ServiceWorker.cpp b/third_party/WebKit/Source/modules/serviceworkers/ServiceWorker.cpp
index bc932eb23ca892cdf02bbc2e79fdef522e8e6e22..bb3e62cccc854f2bef266a58bdaf34753a186259 100644
--- a/third_party/WebKit/Source/modules/serviceworkers/ServiceWorker.cpp
+++ b/third_party/WebKit/Source/modules/serviceworkers/ServiceWorker.cpp
@@ -70,7 +70,7 @@ void ServiceWorker::postMessage(ExecutionContext* context, PassRefPtr<Serialized
         context->addConsoleMessage(ConsoleMessage::create(JSMessageSource, WarningMessageLevel, "ServiceWorker cannot send an ArrayBuffer as a transferable object yet. See http://crbug.com/511119"));
 
     WebString messageString = message->toWireString();
-    OwnPtr<WebMessagePortChannelArray> webChannels = MessagePort::toWebMessagePortChannelArray(channels.release());
+    OwnPtr<WebMessagePortChannelArray> webChannels = MessagePort::toWebMessagePortChannelArray(std::move(channels));
     m_handle->serviceWorker()->postMessage(client->provider(), messageString, WebSecurityOrigin(getExecutionContext()->getSecurityOrigin()), webChannels.leakPtr());
 }