chore: make rpc-server reply to sender frame instead of the main frame #15973
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Description of Change
Add
WebContents._sendToFrameInternal
API, and makerpc-server
use it to reply to the sender frame instead of always replying to the main frame.This PR does not have any change to behaviors, it is just one step to make
remote
friendly to multi-frames in one process.As side effect,
callIntoRenderer
becomes more efficient when sending messages to a destroyed frame.See #15894 (review) for the motivation.
Checklist
npm test
passesRelease Notes
Notes: no-notes