Reland 73220 - GpuProcessHost does not relaunch GPU process after threshold no. of crashes.
Reland 73220 - GpuProcessHost does not relaunch GPU process after threshold no. of crashes.

Also added buckets to histograms to count the number of times the GPU process crashed in a single session.

TEST=simulate crashes, try
BUG=none

Review URL: http://codereview.chromium.org/6343010



git-svn-id: http://src.chromium.org/svn/trunk/src@73321 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 2ebfec26272a01c9e04eeb64ba8139e7e72ee16a
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser