tree fd93f492d4a2294bf4a94c27713a6b94a8416660
parent 5d1873a812297ad207df1f068a987d2dd84a9888
author Tony Wickham <twickham@google.com> 1525985898 -0700
committer Tony Wickham <twickham@google.com> 1525986027 -0700

Fix workspace scale calculation

- Based on workspace page instead of workspace (takes padding into
  account)
- Checks that width != 0 so we don't divide by 0

Bug: 79526164
Change-Id: I25d92a04550aa34abab7e9e1f93c93dbccd61752