Chromium重点源码记录

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#浏览器开发

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本文档详细介绍了Chromium浏览器的源码结构及其关键组件，包括任务类型定义、消息队列实现、用户代理设置等核心功能，并提供了具体的文件路径及方法名供开发者查阅。

0、Chromium源码在线查找

https://source.chromium.org/chromium/chromium/src

1、Chromium任务类型定义

https://source.chromium.org/chromium/chromium/src/+/master:third_party/blink/public/platform/task_type.h

2、Chromium消息队列源码

https://source.chromium.org/chromium/chromium/src/+/master:base/task/sequence_manager/task_queue_impl.h

3、Chromium入口

https://source.chromium.org/chromium/chromium/src/+/master:chrome/app/chrome_main.cc

4、selecttion区域变化

https://source.chromium.org/chromium/chromium/src/+/master:third_party/blink/renderer/core/editing/frame_selection.cc
具体方法：DidSetSelectionDeprecated

5、UserAgent

https://source.chromium.org/chromium/chromium/src/+/master:third_party/blink/renderer/core/frame/local_dom_window.cc
具体方法：userAgent

6、音视频解码格式支持

https://source.chromium.org/chromium/chromium/src/+/master:media/base/supported_types.cc

7、视频封装格式支持

https://source.chromium.org/chromium/chromium/src/+/master:media/base/mime_util_internal.cc
具体方法：AddSupportedMediaFormats

8、External Protocol Dialog

https://source.chromium.org/chromium/chromium/src/+/master:chrome/browser/external_protocol/external_protocol_handler.cc
具体方法：RunExternalProtocolDialogWithDelegate

9、去掉wexit_time_destructors

https://source.chromium.org/chromium/chromium/src/+/master:build/config/compiler/BUILD.gn
具体方法：config("wexit_time_destructors"), 改为-Wno-exit-time-destructors

10、Load unpacked extension

https://source.chromium.org/chromium/chromium/src/+/main:chrome/browser/extensions/api/developer_private/developer_private_api.cc
具体方法：DeveloperPrivateLoadUnpackedFunction::FileSelected

11、extension service

https://source.chromium.org/chromium/chromium/src/+/main:chrome/browser/extensions/extension_service.cc

12、cookie相关

https://source.chromium.org/chromium/chromium/src/+/main:net/cookies/cookie_monster.cc
https://source.chromium.org/chromium/chromium/src/+/main:services/network/network_context.cc

13、Chromium版本号

https://source.chromium.org/chromium/chromium/src/+/main:chrome/VERSION

14、chrome://flags添加

https://source.chromium.org/chromium/chromium/src/+/main:chrome/browser/about_flags.cc

15、Web APP启动

https://source.chromium.org/chromium/chromium/src/+/main:chrome/browser/ui/web_applications/web_app_launch_manager.cc