1 files changed, 1 insertions, 1 deletions
diff --git a/chromium/third_party/WebKit/Source/modules/webmidi/MIDIAccessorClient.h b/chromium/third_party/WebKit/Source/modules/webmidi/MIDIAccessorClient.h
index 450b8f60c0a..198374ffec0 100644
--- a/chromium/third_party/WebKit/Source/modules/webmidi/MIDIAccessorClient.h
+++ b/chromium/third_party/WebKit/Source/modules/webmidi/MIDIAccessorClient.h
@@ -40,7 +40,7 @@ public:
     virtual void didAddInputPort(const String& id, const String& manufacturer, const String& name, const String& version) = 0;
     virtual void didAddOutputPort(const String& id, const String& manufacturer, const String& name, const String& version) = 0;
 
-    virtual void didStartSession(bool success) = 0;
+    virtual void didStartSession(bool success, const String& error, const String& message) = 0;
     virtual void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) = 0;
 };