| Index: third_party/WebKit/Source/modules/webmidi/MIDIAccessor.cpp
 | 
| diff --git a/third_party/WebKit/Source/modules/webmidi/MIDIAccessor.cpp b/third_party/WebKit/Source/modules/webmidi/MIDIAccessor.cpp
 | 
| index 11f7dcee0ce6bb8d3ce48d2c1b47f7d96dcf475f..851dc5ab0cc673390a380780e9f5bcdd180614c8 100644
 | 
| --- a/third_party/WebKit/Source/modules/webmidi/MIDIAccessor.cpp
 | 
| +++ b/third_party/WebKit/Source/modules/webmidi/MIDIAccessor.cpp
 | 
| @@ -37,6 +37,7 @@
 | 
|  #include <memory>
 | 
|  
 | 
|  using blink::WebString;
 | 
| +using midi::mojom::Result;
 | 
|  
 | 
|  namespace blink {
 | 
|  
 | 
| @@ -90,10 +91,8 @@ void MIDIAccessor::didSetOutputPortState(unsigned portIndex,
 | 
|    m_client->didSetOutputPortState(portIndex, state);
 | 
|  }
 | 
|  
 | 
| -void MIDIAccessor::didStartSession(bool success,
 | 
| -                                   const WebString& error,
 | 
| -                                   const WebString& message) {
 | 
| -  m_client->didStartSession(success, error, message);
 | 
| +void MIDIAccessor::didStartSession(Result result) {
 | 
| +  m_client->didStartSession(result);
 | 
|  }
 | 
|  
 | 
|  void MIDIAccessor::didReceiveMIDIData(unsigned portIndex,
 | 
| 
 |