Web MIDI: use midi_service.mojom for media::midi::Result

content/renderer/media/midi_message_filter.cc

 // Copyright (c) 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/media/midi_message_filter.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 184 matching lines @@
 void MidiMessageFilter::OnAcknowledgeSentData(size_t bytes_sent) {
   DCHECK(io_task_runner_->BelongsToCurrentThread());
   main_task_runner_->PostTask(
       FROM_HERE, base::Bind(&MidiMessageFilter::HandleAckknowledgeSentData,
                             this, bytes_sent));
 }
 
 void MidiMessageFilter::HandleClientAdded(media::midi::Result result) {
   TRACE_EVENT0("midi", "MidiMessageFilter::HandleClientAdded");
   DCHECK(main_task_runner_->BelongsToCurrentThread());
-  session_result_ = result;
-  std::string error;
-  std::string message;
-  switch (result) {
-    case media::midi::Result::OK:
-      break;
-    case media::midi::Result::NOT_SUPPORTED:
-      error = "NotSupportedError";
-      break;
-    case media::midi::Result::INITIALIZATION_ERROR:
-      error = "InvalidStateError";
-      message = "Platform dependent initialization failed.";
-      break;
-    default:
-      NOTREACHED();
-      error = "InvalidStateError";
-      message = "Unknown internal error occurred.";
-      break;
-  }
-  base::string16 error16 = base::UTF8ToUTF16(error);
-  base::string16 message16 = base::UTF8ToUTF16(message);
 
   // A for-loop using iterators does not work because |client| may touch
   // |clients_waiting_session_queue_| in callbacks.
   while (!clients_waiting_session_queue_.empty()) {
     auto* client = clients_waiting_session_queue_.back();
     clients_waiting_session_queue_.pop_back();
     if (result == media::midi::Result::OK) {
       // Add the client's input and output ports.
       for (const auto& info : inputs_) {
         client->didAddInputPort(
             base::UTF8ToUTF16(info.id),
             base::UTF8ToUTF16(info.manufacturer),
             base::UTF8ToUTF16(info.name),
             base::UTF8ToUTF16(info.version),
             ToBlinkState(info.state));
       }
 
       for (const auto& info : outputs_) {
         client->didAddOutputPort(
             base::UTF8ToUTF16(info.id),
             base::UTF8ToUTF16(info.manufacturer),
             base::UTF8ToUTF16(info.name),
             base::UTF8ToUTF16(info.version),
             ToBlinkState(info.state));
       }
     }
-    client->didStartSession(result == media::midi::Result::OK, error16,
-                            message16);
+    client->didStartSession(result);
     clients_.insert(client);
   }
 }
 
 void MidiMessageFilter::HandleAddInputPort(media::midi::MidiPortInfo info) {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
   inputs_.push_back(info);
   const base::string16 id = base::UTF8ToUTF16(info.id);
   const base::string16 manufacturer = base::UTF8ToUTF16(info.manufacturer);
   const base::string16 name = base::UTF8ToUTF16(info.name);
@@ skipping 47 matching lines @@
 void MidiMessageFilter::HandleSetOutputPortState(
     uint32_t port,
     media::midi::MidiPortState state) {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
   outputs_[port].state = state;
   for (auto* client : clients_)
     client->didSetOutputPortState(port, ToBlinkState(state));
 }
 
 }  // namespace content