components/password_manager/README

   1 Password manager component is layered, see https://sites.google.com/a/chromium.org/dev/developers/design-documents/layered-components-design for what it means.
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   3 Ideal structure of the component:
   4 - core/: Essentials, not depending on any other layers.
   5 All other layers may depend on core:
   6 - content/: Content-specific embedding.
   7 - sync/: Sync-specific embedding.
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