[Boca] Add backend API to refresh workbook. This api provides the students ability to refresh the teacher provided contents. The tabs will be reopened for the students. Bug: 399467672 Change-Id: I91176dd9548f46eb43b14b81fd8fce6276f1fc1d Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6320035 Reviewed-by: Nasko Oskov <nasko@chromium.org> Reviewed-by: April Zhou <aprilzhou@google.com> Commit-Queue: Zifan Zhang <zifanzhang@google.com> Cr-Commit-Position: refs/heads/main@{#1428586}
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For historical reasons, there are some small top level directories. Now the guidance is that new top level directories are for product (e.g. Chrome, Android WebView, Ash). Even if these products have multiple executables, the code should be in subdirectories of the product.
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