Preserve sourceURL comment on style sheets
In addition to the sourceMappingURL comment, there is a second special
comment, "sourceURL", that can be used to set the "display name" of a
style sheet for developer tools. This name is also used as the base
URL for the source-map URL resolution algorithm. sourceURL is
described here:
https://blog.getfirebug.com/2009/08/11/give-your-eval-a-name-with-sourceurl/
The devtools feature bug is here:
https://bugzilla.mozilla.org/show_bug.cgi?id=880831
This patch changes servo to preserve and expose this value for use in M-C.
---
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In addition to the sourceMappingURL comment, there is a second special
comment, "sourceURL", that can be used to set the "display name" of a
style sheet for developer tools. This name is also used as the base
URL for the source-map URL resolution algorithm. sourceURL is
described here:
https://blog.getfirebug.com/2009/08/11/give-your-eval-a-name-with-sourceurl/
The devtools feature bug is here:
https://bugzilla.mozilla.org/show_bug.cgi?id=880831
This patch changes servo to preserve and expose this value for use in M-C.
Implement `size_hint` for more iterators.
```
implement size hint for
more iterators because why
not we like fast things
```
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TEST: fix and add case of po-observe.any.js
<!-- Please describe your changes on the following line: -->
1. implementing step 3 from the [`PerformanceObserver.observe()`](https://w3c.github.io/performance-timeline/#dom-performanceobserver-observe()) method spec properly.
2. also add cases about step 1 & 2
work on the top of #18283
r? @ferjm
---
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- [X] These changes fix#18285 (github issue number if applicable).
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"javascript:" urls: execute in correct global scope
<!-- Please describe your changes on the following line: -->
#### Summary
This pull request makes `javascript:` urls execute in the correct global scope.
#### Example
```html
<script> var x = 4; </script>
<!-- this branch: logs "4" -->
<!-- master: undefined variable error -->
<a href="javascript:console.log(x)">link</a>
```
#### Questions
I'm new to servo and rust, so I'm unsure about these changes. In particular:
* What's the appropriate place to evaluate the js?
* I moved it to `handle_navigate`, but I'm not sure if this will catch all occurrences of `javascript:` urls. I also don't know if this will execute in the correct thread and the correct window.
* What should I do with the result of the js evaluation?
* I just ignored it. The previous behavior displayed it as the content of a new page load.
---
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- [x] These changes fix#15147, #16718
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An observer disconnected after a mark must receive the mark
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I worked on top of #18283 as suggested [here](https://github.com/servo/servo/issues/18284#issuecomment-326043873).
r? @ferjm
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- [X] These changes fix#18284 (github issue number if applicable).
<!-- Either: -->
- [X] There are tests for these changes
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User Timing API
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix#18109
- [X] There are tests for these changes. I enabled the peformance-timeline API WPTs but some of them are still failing because of implementation bugs or missing APIs (Resource Timing, for instance) the tests are dependent of. I'll file issues to fix them.
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Add CEReactions to element creation APIs.
This addresses https://github.com/whatwg/dom/pull/506.
---
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Fix WebGL texture_float and texture_half_float detection on some GPUs
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Fix WebGL texture_float and texture_half_float detection on some GPUs. Some of them use different extension names.
---
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