Add sysexEnabled readonly attribute to MIDIAccess

Source/modules/webmidi/MIDIController.cpp

Index: Source/modules/webmidi/MIDIController.cpp
diff --git a/Source/modules/webmidi/MIDIController.cpp b/Source/modules/webmidi/MIDIController.cpp
index 735383e27a0ce187e6d48b1cacf35f9a37803e5f..6d3ad053b4efcd8e54e34c016108a9b3cd17082c 100644
--- a/Source/modules/webmidi/MIDIController.cpp
+++ b/Source/modules/webmidi/MIDIController.cpp
@@ -56,14 +56,14 @@ PassOwnPtr<MIDIController> MIDIController::create(MIDIClient* client)
     return adoptPtr(new MIDIController(client));
 }
 
-void MIDIController::requestSysExPermission(PassRefPtrWillBeRawPtr<MIDIAccess> access)
+void MIDIController::requestSysexPermission(PassRefPtrWillBeRawPtr<MIDIAccess> access)
 {
-    m_client->requestSysExPermission(access);
+    m_client->requestSysexPermission(access);
 }
 
-void MIDIController::cancelSysExPermissionRequest(MIDIAccess* access)
+void MIDIController::cancelSysexPermissionRequest(MIDIAccess* access)
 {
-    m_client->cancelSysExPermissionRequest(access);
+    m_client->cancelSysexPermissionRequest(access);
 }
 
 void provideMIDITo(Page& page, MIDIClient* client)