n recent months, Murdoch his lieutenants have stepped up their war of words with Google, accusing it of "kleptomania" and acting as a "parasite" for including News Corp content in its Google News pages. But asked why News Corp executives had not chosen to simply remove their websites entirely from Google's search indexes – a simple technical operation – Murdoch said just such a move was on the cards.
"I think we will, but that's when we start charging," he said. "We have it already with the Wall Street Journal. We have a wall, but it's not right to the ceiling. You can get, usually, the first paragraph from any story – but if you're not a paying subscriber to WSJ.com all you get is a paragraph and a subscription form."
Source: here
I do not think it make a difference for Google as they have many other sources of news they have access to.