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The browser side code of the new WebSocket stack needs to
know the ID of the render frame where the corresponding
WebSocketBridge is created in order to handle certificate errors.

This CL just ports the code used by the old WebSocket
implementation to new one.

Blink side change: https://codereview.chromium.org/304113002/

BUG=364361

Review URL: https://codereview.chromium.org/308513004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274180 0039d316-1c4b-4281-b951-d872f2087c98