Implement update source set & select image source
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- [x] These changes fix#11416 (github issue number if applicable).
- [x] These changes require tests but cannot be written until implementation of responsive images is complete
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Refactor run_in_headless_android_emulator.py out of mach test-android-startup
… and make it more careful about not leaving zombie processes behind.
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Fix hittesting on HiDPI screens
This fixes some regressions introduced in #21087 due to treating logical coordinates as physical ones without converting between them correctly.
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix#21168
- [x] These changes do not require tests because we do not have the ability to test embedding input yet.
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Make fetch() API use same-origin credentials by default
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- [X] These changes fix#21146 (github issue number if applicable).
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Android: run ./mach package implicitly after ./mach build
The result of `./mach build` for Android is a `.so` file that cannot be used on its own, so running build without package is presumably never useful.
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style: Sync changes from mozilla-central.
https://bugzilla.mozilla.org/show_bug.cgi?id=1476054
See each individual commit for details. I skipped the import of bug 1467277, which can't be done until euclid is updated everywhere.