(SUSPENDED) SharedWorker: Mojofy Renderer(Document)->Browser communication for SharedWorker

content/renderer/shared_worker_repository.cc

 // Copyright 2013 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 "content/renderer/shared_worker_repository.h"
 
 #include "content/child/child_thread_impl.h"
 #include "content/common/view_messages.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/websharedworker_proxy.h"
+#include "ipc/ipc_sync_channel.h"
 
 namespace content {
 
 SharedWorkerRepository::SharedWorkerRepository(RenderFrameImpl* render_frame)
-    : render_frame_(render_frame){};
+    : render_frame_(render_frame) {
+  if (!ChildThreadImpl::current())
+    return;  // May be null in some tests.
+  ChildThreadImpl::current()->channel()->GetRemoteAssociatedInterface(
+      &message_filter_);
+}
 
 SharedWorkerRepository::~SharedWorkerRepository() = default;
 
 std::unique_ptr<blink::WebSharedWorkerConnector>
 SharedWorkerRepository::createSharedWorkerConnector(
     const blink::WebURL& url,
     const blink::WebString& name,
     DocumentID document_id,
     const blink::WebString& content_security_policy,
     blink::WebContentSecurityPolicyType security_policy_type,
     blink::WebAddressSpace creation_address_space,
     blink::WebSharedWorkerCreationContextType creation_context_type,
     blink::WebWorkerCreationError* error) {
-  ViewHostMsg_CreateWorker_Params params;
-  params.url = url;
-  params.name = name.utf16();
-  params.content_security_policy = content_security_policy.utf16();
-  params.security_policy_type = security_policy_type;
-  params.document_id = document_id;
-  params.render_frame_route_id = render_frame_->GetRoutingID();
-  params.creation_address_space = creation_address_space;
-  params.creation_context_type = creation_context_type;
-  ViewHostMsg_CreateWorker_Reply reply;
-  render_frame_->Send(new ViewHostMsg_CreateWorker(params, &reply));
-  *error = reply.error;
+  mojom::SharedWorker_CreateWorker_ParamsPtr params =
+      mojom::SharedWorker_CreateWorker_Params::New();
+  params->url = url;
+  params->name = name.utf16();
+  params->content_security_policy = content_security_policy.utf16();
+  params->security_policy_type =
+      static_cast<mojom::WebContentSecurityPolicyType>(security_policy_type);

[nhiroki, 2016/12/28 09:24:30]

I plan to add enum traits or replace blink::Enum with mojom::Enum for removing
these static_cast<>s in a subsequent CL.

[nhiroki, 2017/01/10 08:44:06]

Added typemap in this CL.

+  params->document_id = document_id;
+  params->render_frame_route_id = render_frame_->GetRoutingID();
+  params->creation_address_space =
+      static_cast<mojom::WebAddressSpace>(creation_address_space);
+  params->creation_context_type =
+      static_cast<mojom::WebSharedWorkerCreationContextType>(
+          creation_context_type);
+
+  mojom::SharedWorker_CreateWorker_ReplyPtr reply;
+  message_filter_->OnCreateWorker(std::move(params), &reply);
+  *error = static_cast<blink::WebWorkerCreationError>(reply->error);
   documents_with_workers_.insert(document_id);
-  return base::MakeUnique<WebSharedWorkerProxy>(
-      ChildThreadImpl::current()->GetRouter(), reply.route_id);
+
+  return base::MakeUnique<WebSharedWorkerProxy>(reply->route_id);
 }
 
 void SharedWorkerRepository::documentDetached(DocumentID document) {
   std::set<DocumentID>::iterator iter = documents_with_workers_.find(document);
   if (iter != documents_with_workers_.end()) {
     // Notify the browser process that the document has shut down.
-    render_frame_->Send(new ViewHostMsg_DocumentDetached(document));
+    message_filter_->OnDocumentDetached(document);
     documents_with_workers_.erase(iter);
   }
 }
 
 }  // namespace content