Update navigator.services API to use the new services.onconnect event [1/3].

Source/modules/navigatorconnect/ServicePortCollection.cpp

 // Copyright 2015 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/navigatorconnect/ServicePortCollection.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/SerializedScriptValueFactory.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/MessagePort.h"
 #include "core/events/MessageEvent.h"
 #include "modules/EventTargetModules.h"
+#include "modules/navigatorconnect/AcceptConnectionObserver.h"
 #include "modules/navigatorconnect/ServicePort.h"
+#include "modules/navigatorconnect/ServicePortConnectEvent.h"
+#include "modules/navigatorconnect/ServicePortConnectEventInit.h"
 #include "modules/navigatorconnect/ServicePortConnectOptions.h"
 #include "public/platform/Platform.h"
 #include "public/platform/modules/navigator_services/WebServicePortProvider.h"
 
 namespace blink {
 
 namespace {
 
 class ConnectCallbacks : public WebServicePortConnectCallbacks {
 public:
@@ skipping 113 matching lines @@
             (*channels)[i] = adoptPtr(webChannels[i]);
     }
     RefPtr<SerializedScriptValue> message = SerializedScriptValueFactory::instance().createFromWire(messageString);
 
     OwnPtrWillBeRawPtr<MessagePortArray> ports = MessagePort::entanglePorts(*executionContext(), channels.release());
     RefPtrWillBeRawPtr<Event> evt = MessageEvent::create(ports.release(), message.release());
     // TODO(mek): Lookup ServicePort and set events source attribute.
     dispatchEvent(evt.release(), ASSERT_NO_EXCEPTION);
 }
 
+void ServicePortCollection::dispatchConnectEvent(PassOwnPtr<WebServicePortConnectEventCallbacks> callbacks, const WebURL& targetURL, const WebString& origin, WebServicePortID portID)
+{
+    AcceptConnectionObserver* observer = AcceptConnectionObserver::create(this, callbacks, portID, targetURL);
+    ServicePortConnectEventInit init;
+    init.setTargetURL(targetURL.string());
+    init.setOrigin(origin);
+    RefPtrWillBeRawPtr<Event> event = ServicePortConnectEvent::create(EventTypeNames::connect, init, observer);
+    dispatchEvent(event.release());
+    observer->didDispatchEvent();
+}
+
 DEFINE_TRACE(ServicePortCollection)
 {
     visitor->trace(m_ports);
     EventTargetWithInlineData::trace(visitor);
     ContextLifecycleObserver::trace(visitor);
 }
 
 ServicePortCollection::ServicePortCollection(ExecutionContext* context)
     : ContextLifecycleObserver(context)
     , m_provider(adoptPtr(Platform::current()->createServicePortProvider(this)))
 {
 }
 
 } // namespace blink