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Merge pull request #11203 from electron/document-chromium_src-directory

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document chromium_src directory
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Zeke Sikelianos 2017-11-21 21:10:47 -08:00 committed by GitHub
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docs/development/source-code-directory-structure.md
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@ -30,7 +30,7 @@ Electron
| loop into Chromium's message loop.
| └── api/ - The implementation of common APIs, and foundations of
| Electron's built-in modules.
├── chromium_src/ - Source code that copied from Chromium.
├── chromium_src/ - Source code copied from Chromium. See below.
├── default_app/ - The default page to show when Electron is started without
| providing an app.
├── docs/ - Documentations.
@ -47,6 +47,19 @@ Electron
components like `node` and `breakpad`.
```
## `/chromium_src`
The files in `/chromium_src` tend to be pieces of Chromium that aren't part of
the content layer. For example to implement Pepper API, we need some wiring
similar to what official Chrome does. We could have built the relevant
sources as a part of [libcc](../glossary.md#libchromiumcontent) but most
often we don't require all the features (some tend to be proprietary,
analytics stuff) so we just took parts of the code. These could have easily
been patches in libcc, but at the time when these were written the goal of
libcc was to maintain very minimal patches and chromium_src changes tend to be
big ones. Also, note that these patches can never be upstreamed unlike other
libcc patches we maintain now.
## Structure of Other Directories
* **script** - Scripts used for development purpose like building, packaging,