JMC-6241: Leaking Context Menu items

[Joshua Matsuoka]

Hi Ken,

I applied the patch and it works well.

Looks good.

Cheers,

- Josh

On Tue, Dec 4, 2018 at 3:45 PM Ken Dobson <kdobson at redhat.com> wrote:

> Hi all,
>
> This patch does a couple things.
> 1. It fixes the leaking context menu items which resulted in the context
> menu having multiple sets of the same thread activity lanes listed.
> 2. It adds a context menu to the Garbage Collections Page legend as there
> already was one for the Java Application page.
> 3. Fixes a small bug that lead to the Thread Activity lane on the GC page
> only refreshing if it was turned off and then back on again.
>
> If someone could give it a review that would be great.
>
> https://bugs.openjdk.java.net/browse/JMC-6241
>
> Thanks,
>
> Ken Dobson
>
>