Investment income gets recorded on the Schedule 125 - gifi code 8090 up to 8094.  Dividend income is on the Schedule 125 - gifi code 8096, and also gets recorded on Schedule 3 Part 1.  Capital gains dividends (capital gains on the T3 or T5 slips) are recorded as Investment income on the Schedule 125 (gifi code 8090 would work) and on Schedule 6 on line 875.