HTML MessagePort as mojo::MessagePipeHandle

content/browser/service_worker/service_worker_dispatcher_host.cc

Index: content/browser/service_worker/service_worker_dispatcher_host.cc
diff --git a/content/browser/service_worker/service_worker_dispatcher_host.cc b/content/browser/service_worker/service_worker_dispatcher_host.cc
index 78293ca8720f53ccc0138ad180a1c7b60ad5d5f8..fe6dc5e4ba0f591704817680d3e989cf1f5de013 100644
--- a/content/browser/service_worker/service_worker_dispatcher_host.cc
+++ b/content/browser/service_worker/service_worker_dispatcher_host.cc
@@ -16,8 +16,6 @@
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 #include "content/browser/bad_message.h"
-#include "content/browser/message_port_message_filter.h"
-#include "content/browser/message_port_service.h"
 #include "content/browser/service_worker/embedded_worker_registry.h"
 #include "content/browser/service_worker/embedded_worker_status.h"
 #include "content/browser/service_worker/service_worker_client_utils.h"
@@ -85,12 +83,10 @@ WebContents* GetWebContents(int render_process_id, int render_frame_id) {
 
 ServiceWorkerDispatcherHost::ServiceWorkerDispatcherHost(
     int render_process_id,
-    MessagePortMessageFilter* message_port_message_filter,
     ResourceContext* resource_context)
     : BrowserMessageFilter(kFilteredMessageClasses,
                            arraysize(kFilteredMessageClasses)),
       render_process_id_(render_process_id),
-      message_port_message_filter_(message_port_message_filter),
       resource_context_(resource_context),
       channel_ready_(false),
       weak_factory_(this) {
@@ -121,7 +117,7 @@ void ServiceWorkerDispatcherHost::Init(
   if (!GetContext())
     return;
   GetContext()->embedded_worker_registry()->AddChildProcessSender(
-      render_process_id_, this, message_port_message_filter_);
+      render_process_id_, this);
 }
 
 void ServiceWorkerDispatcherHost::OnFilterAdded(IPC::Channel* channel) {
@@ -910,7 +906,7 @@ void ServiceWorkerDispatcherHost::OnPostMessageToWorker(
     int provider_id,
     const base::string16& message,
     const url::Origin& source_origin,
-    const std::vector<int>& sent_message_ports) {
+    const std::vector<MessagePort>& sent_message_ports) {
   TRACE_EVENT0("ServiceWorker",
                "ServiceWorkerDispatcherHost::OnPostMessageToWorker");
   if (!GetContext())
@@ -940,12 +936,9 @@ void ServiceWorkerDispatcherHost::DispatchExtendableMessageEvent(
     scoped_refptr<ServiceWorkerVersion> worker,
     const base::string16& message,
     const url::Origin& source_origin,
-    const std::vector<int>& sent_message_ports,
+    const std::vector<MessagePort>& sent_message_ports,
     ServiceWorkerProviderHost* sender_provider_host,
     const StatusCallback& callback) {
-  for (int port : sent_message_ports)
-    MessagePortService::GetInstance()->HoldMessages(port);
-
   switch (sender_provider_host->provider_type()) {
     case SERVICE_WORKER_PROVIDER_FOR_WINDOW:
     case SERVICE_WORKER_PROVIDER_FOR_WORKER:
@@ -1131,7 +1124,7 @@ void ServiceWorkerDispatcherHost::DispatchExtendableMessageEventInternal(
     scoped_refptr<ServiceWorkerVersion> worker,
     const base::string16& message,
     const url::Origin& source_origin,
-    const std::vector<int>& sent_message_ports,
+    const std::vector<MessagePort>& sent_message_ports,
     const base::Optional<base::TimeDelta>& timeout,
     const StatusCallback& callback,
     const SourceInfo& source_info) {
@@ -1167,7 +1160,7 @@ void ServiceWorkerDispatcherHost::
         scoped_refptr<ServiceWorkerVersion> worker,
         const base::string16& message,
         const url::Origin& source_origin,
-        const std::vector<int>& sent_message_ports,
+        const std::vector<MessagePort>& sent_message_ports,
         const ExtendableMessageEventSource& source,
         const base::Optional<base::TimeDelta>& timeout,
         const StatusCallback& callback) {
@@ -1181,16 +1174,10 @@ void ServiceWorkerDispatcherHost::
                                       callback);
   }
 
-  MessagePortMessageFilter* filter =
-      worker->embedded_worker()->message_port_message_filter();
-  std::vector<int> new_routing_ids;
-  filter->UpdateMessagePortsWithNewRoutes(sent_message_ports, &new_routing_ids);
-
   mojom::ExtendableMessageEventPtr event = mojom::ExtendableMessageEvent::New();
   event->message = message;
   event->source_origin = source_origin;
-  event->message_ports = sent_message_ports;
-  event->new_routing_ids = new_routing_ids;
+  event->message_ports = MessagePort::ReleaseHandles(sent_message_ports);
   event->source = source;
 
   // Hide the client url if the client has a unique origin.
@@ -1211,13 +1198,10 @@ void ServiceWorkerDispatcherHost::
 
 template <typename SourceInfo>
 void ServiceWorkerDispatcherHost::DidFailToDispatchExtendableMessageEvent(
-    const std::vector<int>& sent_message_ports,
+    const std::vector<MessagePort>& sent_message_ports,
     const SourceInfo& source_info,
     const StatusCallback& callback,
     ServiceWorkerStatusCode status) {
-  // Transfering the message ports failed, so destroy the ports.
-  for (int port : sent_message_ports)
-    MessagePortService::GetInstance()->ClosePort(port);
   if (source_info.IsValid())
     ReleaseSourceInfo(source_info);
   callback.Run(status);