Some fixes to the "New in Chrome 75" article (#7765)
Some fixes to the "New in Chrome 75" article (#7765)

In the "New in Chrome 75" article,

- Removed unnecessary comma
- Capitalized "web share API" where it wasn't
- Added missing "are" in a sentence
- And fixed some other small issues
myakura/WebFundamentals,lucab85/WebFundamentals,google/WebFundamentals,google/WebFundamentals,myakura/WebFundamentals,lucab85/WebFundamentals,myakura/WebFundamentals,lucab85/WebFundamentals,google/WebFundamentals,myakura/WebFundamentals,google/WebFundamentals,lucab85/WebFundamentals