HTML MessagePort as mojo::MessagePipeHandle

content/browser/frame_host/render_frame_proxy_host.cc

 // Copyright 2014 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/browser/frame_host/render_frame_proxy_host.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "content/browser/bad_message.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/navigator.h"
 #include "content/browser/frame_host/render_frame_host_delegate.h"
 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
-#include "content/browser/message_port_message_filter.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/common/frame_messages.h"
 #include "content/common/frame_owner_properties.h"
 #include "content/public/browser/browser_thread.h"
 #include "ipc/ipc_message.h"
 
 namespace content {
 
@@ skipping 284 matching lines @@
               ->GetRenderFrameProxyHost(target_site_instance);
       if (source_proxy_in_target_site_instance) {
         new_params.source_routing_id =
             source_proxy_in_target_site_instance->GetRoutingID();
       } else {
         new_params.source_routing_id = MSG_ROUTING_NONE;
       }
     }
   }
 
-  if (!params.message_ports.empty()) {
-    // Updating the message port information has to be done in the IO thread;
-    // MessagePortMessageFilter::RouteMessageEventWithMessagePorts will send
-    // FrameMsg_PostMessageEvent after it's done. Note that a trivial solution
-    // would've been to post a task on the IO thread to do the IO-thread-bound
-    // work, and make that post a task back to WebContentsImpl in the UI
-    // thread. But we cannot do that, since there's nothing to guarantee that
-    // WebContentsImpl stays alive during the round trip.
-    scoped_refptr<MessagePortMessageFilter> message_port_message_filter(
-        static_cast<RenderProcessHostImpl*>(target_rfh->GetProcess())
-            ->message_port_message_filter());
-    BrowserThread::PostTask(
-        BrowserThread::IO, FROM_HERE,
-        base::Bind(&MessagePortMessageFilter::RouteMessageEventWithMessagePorts,
-                   message_port_message_filter, target_rfh->GetRoutingID(),
-                   new_params));
-  } else {
-    target_rfh->Send(
-        new FrameMsg_PostMessageEvent(target_rfh->GetRoutingID(), new_params));
-  }
+  target_rfh->Send(
+      new FrameMsg_PostMessageEvent(target_rfh->GetRoutingID(), new_params));
 }
 
 void RenderFrameProxyHost::OnDidChangeOpener(int32_t opener_routing_id) {
   frame_tree_node_->render_manager()->DidChangeOpener(opener_routing_id,
                                                       GetSiteInstance());
 }
 
 void RenderFrameProxyHost::OnAdvanceFocus(blink::WebFocusType type,
                                           int32_t source_routing_id) {
   RenderFrameHostImpl* target_rfh =
@@ skipping 14 matching lines @@
 
   target_rfh->AdvanceFocus(type, source_proxy);
 }
 
 void RenderFrameProxyHost::OnFrameFocused() {
   frame_tree_node_->current_frame_host()->delegate()->SetFocusedFrame(
       frame_tree_node_, GetSiteInstance());
 }
 
 }  // namespace content