The Los Angeles Business Journal reported in November that online dating service eHarmony Inc. was expected to move its headquarters from Santa Monica to Westwood. Now, that deal is finalized, and the company will take the top four floors of 10900 Wilshire Blvd., a prominent Westwood office tower that was purchased by New York real estate company Tishman Speyer for a reported $125 million last year, under a 10-year lease, the Los Angeles Times reports.