[Win] Add memory pressure handler.

Windows does not yet have a memory pressure handler implementation.

Created attachment 256309 [details]
Patch

[Alex Christensen]

Comment on attachment 256309 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=256309&action=review

> Source/WebCore/platform/win/MemoryPressureHandlerWin.cpp:85
> +    // Only install a memory check timer for Win32, since Win64 has much more memory to play with.

This is not necessarily true.  64-bit windows can be installed on systems with 1GB of memory, for example.  I don't think the memory pressure handler should be 32-bit only.

> Source/WebCore/platform/win/MemoryPressureHandlerWin.cpp:88
> +    memCheckTimer()->startRepeating(60.0);

This just checks the memory every minute, right?

(In reply to comment #2)
> 

Thanks for reviewing :)

> > Source/WebCore/platform/win/MemoryPressureHandlerWin.cpp:85
> > +    // Only install a memory check timer for Win32, since Win64 has much more memory to play with.
> 
> This is not necessarily true.  64-bit windows can be installed on systems
> with 1GB of memory, for example.  I don't think the memory pressure handler
> should be 32-bit only.
> 

I agree, I will update the patch.

> > Source/WebCore/platform/win/MemoryPressureHandlerWin.cpp:88
> > +    memCheckTimer()->startRepeating(60.0);
> 
> This just checks the memory every minute, right?

Yes.

Created attachment 256404 [details]
Patch

[Brent Fulgham]

Comment on attachment 256404 [details]
Patch

Very nice! r=me.

(In reply to comment #5)
> Comment on attachment 256404 [details]
> Patch
> 
> Very nice! r=me.

Thanks!

[WebKit Commit Bot]

Comment on attachment 256404 [details]
Patch

Clearing flags on attachment: 256404

Committed r186607: <http://trac.webkit.org/changeset/186607>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.