bug#37609: Tool-bar-mode grows the frame's height

[Juri Linkov]

>> We probably could suppress such untimely growing by tricking the code
>> into believing that the tool bar has already been drawn at least once
>> even if it was not drawn at all.  But I'm not sure whether such a
>> change could break runs where showing the tool bar might be delayed
>> for some reason.  Getting the 'frame-inhibit-implied-resize' stuff
>> perform sufficiently well was quite tricky.  So is the behavior we see
>> here annoying enough to warrant such a change?
>
> I now did the above described in order to fix Bug#52986 on master.
> Please have a look whether anything got broken.

Thanks, it seems nothing's broken.