Total page size as measured by the http archive project is currently growing 20% per year on average. Any benefit to be had by chrome's speed-ups is lost many times over by web designers bloating their pages. The web is becoming slower to use.

http://httparchive.org/trends.php?s=All&minlabel=Mar+15+...

And yes, that's pure raw bloat. Sites haven't gotten richer content the past 2 years, they've just put on some weight.