Add sysexEnabled readonly attribute to MIDIAccess

public/web/WebMIDIClientMock.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 28 matching lines @@
 class MIDIClientMock;
 }
 
 namespace blink {
 
 class WebMIDIClientMock : public WebMIDIClient {
 public:
     BLINK_EXPORT WebMIDIClientMock();
     virtual ~WebMIDIClientMock() { reset(); }
 
-    BLINK_EXPORT void setSysExPermission(bool);
+    BLINK_EXPORT void setSysexPermission(bool);
     BLINK_EXPORT void resetMock();
 
+    // FIXME: Remove following function once Chromium stop using it.
+    void setSysExPermission(bool permission) { setSysexPermission(permission); }
+
     // WebMIDIClient
-    virtual void requestSysExPermission(const WebMIDIPermissionRequest&) OVERRIDE;
-    virtual void cancelSysExPermissionRequest(const WebMIDIPermissionRequest&) OVERRIDE;
+    virtual void requestSysexPermission(const WebMIDIPermissionRequest&) OVERRIDE;
+    virtual void cancelSysexPermissionRequest(const WebMIDIPermissionRequest&) OVERRIDE;
+
+    // FIXME: Remove following old functions once Chromium uses new functions.
+    virtual void requestSysExPermission(const WebMIDIPermissionRequest& request) { requestSysexPermission(request); }
+    virtual void cancelSysExPermissionRequest(const WebMIDIPermissionRequest& request) { cancelSysexPermissionRequest(request); }
+
 
 private:
     BLINK_EXPORT void reset();
 
     WebPrivateOwnPtr<WebCore::MIDIClientMock> m_clientMock;
 };
 
 } // namespace blink
 
 #endif // WebMIDIClientMock_h