Drop [LegacyInterfaceTypeChecking] for the MIDI API

third_party/WebKit/Source/modules/webmidi/MIDIOutput.cpp

Index: third_party/WebKit/Source/modules/webmidi/MIDIOutput.cpp
diff --git a/third_party/WebKit/Source/modules/webmidi/MIDIOutput.cpp b/third_party/WebKit/Source/modules/webmidi/MIDIOutput.cpp
index 9ea9e0dfdf9266329deb5761592abde71230d524..494578d72c00f5d3f3559f331c66240d2cfc1d6e 100644
--- a/third_party/WebKit/Source/modules/webmidi/MIDIOutput.cpp
+++ b/third_party/WebKit/Source/modules/webmidi/MIDIOutput.cpp
@@ -196,6 +196,8 @@ MIDIOutput::~MIDIOutput()
 
 void MIDIOutput::send(DOMUint8Array* array, double timestamp, ExceptionState& exceptionState)
 {
+    ASSERT(array);
+
     if (timestamp == 0.0)
         timestamp = now(executionContext());
 
@@ -203,9 +205,6 @@ void MIDIOutput::send(DOMUint8Array* array, double timestamp, ExceptionState& ex
     // This should be performed even if |array| is invalid.
     open();
 
-    if (!array)
-        return;
-
     if (MessageValidator::validate(array, exceptionState, midiAccess()->sysexEnabled()))
         midiAccess()->sendMIDIData(m_portIndex, array->data(), array->length(), timestamp);
 }
@@ -233,6 +232,7 @@ void MIDIOutput::send(Vector<unsigned> unsignedData, double timestamp, Exception
 
 void MIDIOutput::send(DOMUint8Array* data, ExceptionState& exceptionState)
 {
+    ASSERT(data);
     send(data, 0.0, exceptionState);
 }