Issue 7720: Add target selector and update when scrolling to fragment
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Add the target pseudo selector and set/unset it during scrolling to fragment. This change is not complete as no repaint is triggered after the selector is added - it will only take effect after a repaint is triggered by e.g. hovering over another element. (See manual test)
I would like some help because i'm not sure how to resolve this; I can only think to call window.reflow.
I added a manual test case, don't think this counts really! I think the applicable automated test is in /tests/wpt/web-platform-tests/dom/nodes/Element-matches.html but it currently fails, I think due to the above.
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Update WR to fix extra printlns.
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Implement flexible box layout for row container
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This pull requests implements basic flexible box layout for row container.
It has implemented most basic flexbox features, including grow, shrink, multi-line, *reverse properties, and alignment under `justify-content`, `align-items`, `align-self`, `align-content`.
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r? @pcwalton
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Add cancellability to file manager load and related refactoring
Fixes#12589.
r? @Manishearth
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Parse style sheets with a real base URL in geckolib.
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Corresponding Gecko change is [bug 1291207](https://bugzilla.mozilla.org/show_bug.cgi?id=1291207).
r? @bholley
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Add form submission for file type input and related fixings
r? @Manishearth
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Bring back run_with_memory_reporting in serviceworkerglobalscope
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Fix FileAPI's refcount implementation
Revise several intricate parts of FileAPI's internal refcounting-related implementation.
Goal: Get it done right once and for all.
r? @Manishearth
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Fix unused variable warning.
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Add support for background-position in geckolib.
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r? @Manishearth
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Prevent injection vulnerability in image page
This is taking up nox' suggestion from #12542 and creates an img element using Rust code instead of escaping the URL. I will look at the neterror.html URL strings separately, we might do those in a similar way.
To reproduce, visit e.g. the following URL with your vulnerable Servo:
```
https://servo.org/screenshot.png?'onload='document.body.innerHTML=`hacked`'
```
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- [x] These changes do not require tests because this is just fixing up existing behavior and I'm not sure how to test it
r?@jdm
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Add missing libraries for Windows
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r? @metajack
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