Just use WebRender's ClipId directly. This will allow us to create and
use ReferenceFrames in the future, if we need to do that. It will also
make it easier to have Servo responsible for creating the root
scrolling area, which will allow removing some old hacks in the future.
Implement setter for document.domain
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This PR implements the setter for `document.domain`.
It builds on #15438 and #15478, only the last commit is part of this PR.
It includes tests for similar-origin security checks.
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- [X] These changes fix#934.
- [X] There are tests for these changes.
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Frames in the constellation store LoadData rather than just URLs.
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Include LoadData in each session history entry, so that when we reload discarded documents we can include POST data etc.
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- [X] These changes fix#14888
- [X] These changes do not require tests because we don't test document discarding.
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Refactor to send iframe resize messages directly from layout thread to constellation
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r? @jdm
passing tests:
tests/wpt/mozilla/tests/css/matchMedia.html, tests/wpt/mozilla/tests/mozilla/window_resize_not_triggered_on_load.html, tests/wpt/mozilla/tests/mozilla/iframe/resize_after_load.html, tests/wpt/mozilla/tests/css/meta_viewport_resize.html
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Index the session past correctly when discarding.
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Oops, indexed from the wrong end when discarding documents in #14312.
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Implement browsing context discarding
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Implement browsing context discarding (https://html.spec.whatwg.org/multipage/browsers.html#discard-a-document).
* When a pipeline is closed, inform the script thread whether the browsing context is to be discarded.
* In script threads, synchronously discard any similar-origin documents and browsing contexts.
* When a browsing context is discarded, it loses the reference to the active document, but the window keeps it, so we need to move the `Document` pointer from `BrowsingContext` to `Window`.
* Fix the webIDL for Window to make parent and top optional (the spec says they can return null when the browsing context is discarded).
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Rename ScriptChan in constellation to EventLoop
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We currently have a type `ScriptChan` in the constellation, which is named after its implementation rather than its semantics. In the spec, the nearest concept seems to be event loop https://html.spec.whatwg.org/multipage/#event-loop.
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Reimplement scrolling to fragments
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- [x] These changes fix#13736, #10753 (github issue number if applicable).
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This reimplemntation of the feature uses ScrollRootIds to scroll
particular scrollable areas of the page.
Fixes#13736.
Fixes#10753.
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