At boot time, send to UMA the number of uncorrectable disk errors and transmission errors.  These are standard SMART attributes.
At boot time, send to UMA the number of uncorrectable disk errors and transmission errors.  These are standard SMART attributes.

Change-Id: I2ab130db654daea4d4f021e3ae71a80888f0cc27
Change-Id: Ie8af7b0cd675b319010e8e2fcd2f2a56b06a3b5e

BUG=chrome-os-partner:2388
TEST=check about:histograms in Chrome, search for SmartUncorrectableErrors.

Review URL: http://codereview.chromium.org/6732024

joshfire/chromiumos-platform-init