Returns true (1) if this context was used to load the extension identified
by |extension_id|. Other contexts sharing the same storage will also have
access to the extension (see HasExtension). This function must be called
on the browser process UI thread.
WARNING: This function is deprecated and will be removed in ~M127.
Returns true (1) if this context was used to load the extension identified by |extension_id|. Other contexts sharing the same storage will also have access to the extension (see HasExtension). This function must be called on the browser process UI thread.
WARNING: This function is deprecated and will be removed in ~M127.