This directory implements the core parts of Chrome's extension system, and can
be used with any host of the [content module](/content/README.md).

Some extensions code that is not Chrome-specific still lives in
[//chrome/browser/extensions](/chrome/browser/extensions) and will be moved
here.

Technical Documentation:

*   [Build flags](/extensions/docs/buildflags.md) - ENABLE_EXTENSIONS,
    ENABLE_EXTENSIONS_CORE, etc.

*   [Extension and App Types](/extensions/docs/extension_and_app_types.md)

*   [Features System](/chrome/common/extensions/api/_features.md)

*   [Bindings System](/extensions/renderer/bindings.md)

*   [Extension events](/extensions/docs/events.md)