Getting the internal resources through gclient To perform operations like opening file handles, scanning process memory, and deleting files, the engine will need to call the callbacks passed to EngineDelegate as privileged_file_calls, privileged_scan_calls and privileged_removal_calls. The engine will be run inside a sandbox with low privileges. To ship a non-test version of the tool, implement EngineDelegate to wrap an engine that can detect and remove UwS. They include the licensed scanning engine used to find real-world UwS. These resources are not open source so are only available internally to Google. If is_internal_chrome_cleaner_build is set in GN, the build looks for internal resources in the chrome_cleaner/internal directory. This is the default when building on the Chromium buildbots. The public build will link to the test scanning engine in chrome/chrome_cleaner/engines/target/test_engine_ which only detects test files.
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Shared constants and IPC interfaces - These are used for communication between Chrome and the Software Reporter / Chrome Cleanup Tool, so both this directory and the other Chromium directories above have dependencies on them.UI for modal dialogs (files chrome_cleaner_*).Settings page user interaction handlers (files chrome_cleanup_handler.*).Chrome Cleanup Tool fetcher and launcher.Software Reporter component updater (files sw_reporter_installer_win*).This directory contains the source for both.Ĭode in Chromium that deals with the Software Reporter Tool and Chrome Cleanup Tool includes:
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Chrome then downloads the full Cleanup Tool and shows a prompt on the settings page asking the user for permission to remove the UwS.
![download chrome cleanup tool download chrome cleanup tool](https://www.lifewire.com/thmb/iILw2xznsR00mRKHQ_sr9su8Pv0=/753x0/filters:no_upscale():max_bytes(150000):strip_icc()/chromerestoredefaultsmac-51cb6a4399304adc9a2ce8e21d174782.jpg)
The Software Reporter runs in the background and, if it finds UwS that can be removed, reports this to Chrome.
![download chrome cleanup tool download chrome cleanup tool](https://i.ytimg.com/vi/B9VJtF_LKnM/maxresdefault.jpg)
A separate download named Chrome Cleanup Tool that both finds and removes UwS.A Chrome component named the Software Reporter that finds UwS but does not have the ability to delete anything.
![download chrome cleanup tool download chrome cleanup tool](https://static.filehorse.com/screenshots/cleaning-and-tweaking/chrome-cleanup-tool-screenshot-01t.png)
The application is distributed in two versions: This directory contains the source code for the Chrome Cleanup Tool, a standalone application distributed to Chrome users to find and remove Unwanted Software (UwS).