GitLab

Several incorrect assumptions about actual and expected buffer
sizes are corrected in the Windows HidConnection implementation.

BUG=369344
TBR=rpaquay

Review URL: https://codereview.chromium.org/261053005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@268215 0039d316-1c4b-4281-b951-d872f2087c98