Revert "Add the win::WMIRefresher class and use it in SystemMonitor"

This reverts commit 90ffaeaac0ad7a74c3e6c5f7f4b44214b70a562f.

Reason for revert: Breaks Win x64 Builder.

Original change's description:
> Add the win::WMIRefresher class and use it in SystemMonitor
> This class will be used to retrieve the disk idle time on Windows (some
> other performance counters will probably be added in the future).
> The metric will initially be used in the tracing infra to make it
> easier to analyze the I/O activity in the slow reports we're getting
> from the wild.
> The Windows specific code has been review by rogerta@ and forschaw@ in
> Bug: 771478
> Change-Id: Ie1988818f521097d6078ce67e597ec02115f4c07
> Reviewed-on:
> Commit-Queue: Sébastien Marchand <>
> Reviewed-by: Jesse Doherty <>
> Reviewed-by: oysteine <>
> Reviewed-by: François Doray <>
> Cr-Commit-Position: refs/heads/master@{#634843},,,

Change-Id: I857594acf56af3f050c1559a72269579f467a326
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 771478
Reviewed-by: Kristi Park <>
Commit-Queue: Kristi Park <>
Cr-Commit-Position: refs/heads/master@{#634848}
15 files changed