Fix Windows build, add Sandbox implementation.

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Review URL: https://codereview.chromium.org/301193005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274160 0039d316-1c4b-4281-b951-d872f2087c98
6 files changed