More gstreamer dependencies
Was running into this issue:
```
error: failed to run custom build command for `gstreamer-player-sys v0.5.0`
process didn't exit successfully: `/home/paul/git/servo/target/debug/build/gstreamer-player-sys-3591c80c70153c3c/build-script-build` (exit code: 1)
--- stderr
`"pkg-config" "--libs" "--cflags" "gstreamer-player-1.0 >= 1.12"` did not exit successfully: exit code: 1
--- stderr
Package gstreamer-player-1.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `gstreamer-player-1.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'gstreamer-player-1.0' found
```
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Add configuration for using ./wpt serve
This allows running `./wpt serve --alias_file ../aliases` to replicate Servo's multiple document root setup when running tests in other browsers.
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Add needed gstreamer packages for Gentoo build
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r? @jdm
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- [x] These changes fix#21418
- [x] These changes do not require tests because: docs
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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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- [x] These changes require tests and added
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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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- [ ] `./mach build-geckolib` does not report any errors
- [ ] `./mach test-tidy` does not report any errors
- [ ] These changes fix #20673fix#13241fix#20887fix#20713 (github issue number if applicable).
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