Auto merge of #22599 - aditj:patch-1-re, r=ferjm

Implement performance interface extension for PerformanceResourceTiming

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(There is a previous closed pull for this #22431)
Implemented the following :
a) Added the maxSize Field to the PerformanceEntryList structure.
b) Implemented the clearResourceTimings, setResourceTimingBufferSize, onresourcetimingbufferfull fuctions for the Performance Structure according to the Interface Specification given at : https://w3c.github.io/resource-timing/#sec-extensions-performance-interface

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- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #22307 (GitHub issue number if applicable)

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