Note: I'm reverting it to see if it fixes all the dromaeo_test failures.
Note: I'm reverting it to see if it fixes all the dromaeo_test failures.


Revert 40158 - Estimate the renderer working set on Linux. This is less expensive and works in the Chromium SUID sandbox because it does not require access to /proc.

BUG=32519
TEST=none
Review URL: http://codereview.chromium.org/593060

TBR=thestig@chromium.org
Review URL: http://codereview.chromium.org/660400

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@40432 0039d316-1c4b-4281-b951-d872f2087c98

gavinp/chromium,ropik/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,ropik/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,adobe/chromium,adobe/chromium,ropik/chromium,ropik/chromium,adobe/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,yitian134/chromium,yitian134/chromium,yitian134/chromium,gavinp/chromium,yitian134/chromium,ropik/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,adobe/chromium,Crystalnix/house-of-life-chromium,adobe/chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,yitian134/chromium,gavinp/chromium,ropik/chromium,adobe/chromium,adobe/chromium,adobe/chromium,adobe/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,adobe/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,gavinp/chromium