Refactor fake worker loading (issue 3862)
Disables broken rAF on iOS
Merge pull request #4946 from Snuffleupagus/issue-3862

Refactor fake worker loading (issue 3862)
Increases page cache size when needed
Merge pull request #4962 from yurydelendik/issue-4943

Increases page cache size when needed
Merge pull request #4961 from yurydelendik/raf-ios

Disables broken rAF on iOS