1 files changed, 1 insertions, 1 deletions
diff --git a/chromium/third_party/WebKit/public/platform/WebMIDIAccessorClient.h b/chromium/third_party/WebKit/public/platform/WebMIDIAccessorClient.h
index a7d92bdbfd0..0192a798a35 100644
--- a/chromium/third_party/WebKit/public/platform/WebMIDIAccessorClient.h
+++ b/chromium/third_party/WebKit/public/platform/WebMIDIAccessorClient.h
@@ -40,7 +40,7 @@ public:
     virtual void didAddInputPort(const WebString& id, const WebString& manufacturer, const WebString& name, const WebString& version) = 0;
     virtual void didAddOutputPort(const WebString& id, const WebString& manufacturer, const WebString& name, const WebString& version) = 0;
 
-    virtual void didStartSession(bool success) = 0;
+    virtual void didStartSession(bool success, const WebString& error, const WebString& message) = 0;
 
     // |timeStamp| is in milliseconds according to the Web MIDI API.
     virtual void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) = 0;