I feel like they will get sued for that extremely quickly, considering their dominating position (Chrome) and being in the ad-serving business at the same time.
conceptually. However, the metric we use to dictacte that conceptual argument is what screws us (Americans). We have chosen increase in price as the primary metric.
It becomes the responsibility of the accuser to prove and provide evidence of increased prices based on monopoly position. The Exponent podcast did a nice description of this last summer I believe (not sure what episode).