Implement ServiceWorker::postMessage() [Blink]

Source/modules/serviceworkers/ServiceWorker.cpp

Index: Source/modules/serviceworkers/ServiceWorker.cpp
diff --git a/Source/modules/serviceworkers/ServiceWorker.cpp b/Source/modules/serviceworkers/ServiceWorker.cpp
index 0bbd5048335f6378f29b09f09f09a8b053a96b5d..3aa2048e2eb651d6d17ea205e1ce0e4cb0522d7e 100644
--- a/Source/modules/serviceworkers/ServiceWorker.cpp
+++ b/Source/modules/serviceworkers/ServiceWorker.cpp
@@ -31,6 +31,10 @@
 #include "config.h"
 #include "ServiceWorker.h"
 
+#include "bindings/v8/ExceptionState.h"
+#include "core/dom/MessagePort.h"
+#include "public/platform/WebMessagePortChannel.h"
+#include "public/platform/WebString.h"
 
 namespace WebCore {
 
@@ -39,4 +43,16 @@ ServiceWorker::ServiceWorker(PassOwnPtr<blink::WebServiceWorker> worker)
 {
 }
 
+void ServiceWorker::postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray* ports, ExceptionState& exceptionState)
+{
+    // Disentangle the port in preparation for sending it to the remote context.
+    OwnPtr<MessagePortChannelArray> channels = MessagePort::disentanglePorts(ports, exceptionState);
+    if (exceptionState.hadException())
+        return;
+
+    blink::WebString messageString = message->toWireString();
+    OwnPtr<blink::WebMessagePortChannelArray> webChannels = MessagePort::toWebMessagePortChannelArray(channels.release());
+    m_outerWorker->postMessage(messageString, webChannels.leakPtr());
+}
+
 } // namespace WebCore