REGRESSION(r244182): [CoordinatedGraphics] Related view doesn't receive graphic updates

[Carlos Garcia Campos]

This is because we need a DisplayRefreshMonitor per drawing area, but the one from the first ThreradedCompositor is always reused because they use the same display ID.

[Carlos Garcia Campos]

Created attachment 371051 [details]
Patch

[Zan Dobersek]

Comment on attachment 371051 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=371051&action=review

> Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/DrawingAreaCoordinatedGraphics.cpp:549
> +    m_webPage.windowScreenDidChange(std::numeric_limits<uint32_t>::max() - m_webPage.pageID().toUInt64());

If you can find a better way to make that page ID into a 32-bit, then go ahead.

[Carlos Garcia Campos]

(In reply to Zan Dobersek from comment #2)
> Comment on attachment 371051 [details]
> Patch
> 
> View in context:
> https://bugs.webkit.org/attachment.cgi?id=371051&action=review
> 
> > Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/DrawingAreaCoordinatedGraphics.cpp:549
> > +    m_webPage.windowScreenDidChange(std::numeric_limits<uint32_t>::max() - m_webPage.pageID().toUInt64());
> 
> If you can find a better way to make that page ID into a 32-bit, then go
> ahead.

I'm following the same approach as mac port.

[Carlos Garcia Campos]

Committed r246030: <https://trac.webkit.org/changeset/246030>