Null image source check for src, srcset and picture parent
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This PR includes a test which checks for empty src only.
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- [x] These changes fix#21221
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Android: Use info! instead of debug!
Fix#21390
As explained in #21390, we are missing some important logs in release builds, and nightly is not available as a debug build for testers.
For the most important logs, let's use `info` instead of `debug`.
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Sync WPT with upstream (11-08-2018)
⚠️ Do not merge this PR without verifying that it is not overwriting local changes to web-platform-tests. ⚠️
Automated downstream sync of changes from upstream as of 11-08-2018.
[no-wpt-sync]
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Implement Window.open and related infrastructure
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Implement https://html.spec.whatwg.org/multipage/window-object.html#window-open-steps and related infra...
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Add rustfmt command to devenv commands
Added the rustfmt command to devenv commands which runs cargo fmt on a specified directory.
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- [X] These changes fix#21374
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Add ndk-stack mach command
This makes it much easier to get usable symbols from logcat output that includes a crash.
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- [x] These changes fix#20442
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Avoid crash when pressing stop button on Android
This doesn't actually implement stopping; it just works around the crash that happens when you press it.
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- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix#21328
- [x] These changes do not require tests because we have no tests for the android UI
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