Terms for the deal were not disclosed, though the Wall Street Journal claimed that Google paid around $25 million for the travel guide firm, citing a person briefed on the deal as its source. The WSJ also reported that Google wanted the business to help it attract more advertising dollars tied to online-travel bookings and local-business information. How would this work? Google could show Frommer’s travel guide content in its search results – it owns the content now, after all – and sell travel-related ads against the content. Google could also use the content to create tools to help user…