Implement non-visible pipeline and iframe visibility methods
This addresses #9566 and a good part of #9751, specifically:
* Pipeline has a notion of visibility
* IFrame setVisible/getVisible interface with IFrame's pipeline visibility
* IFrame mozbrowservisibilitychange responds to changes in visibility
* Pipeline visibility is used to limit animations (requestAnimationFrame does not tick animations when hidden) and to increase timer intervals (currently set to a minimum of 1 second while hidden)
Absent for now are any changes to the Document API and general implementation of the Page Visibility API, since the more interesting parts require knowledge of whether the user agent is minimized, OS screen locked, etc.
cc @paulrouget @jdm
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indexed getter of form elements
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Add filepicker
Add file picker based on tinyfiledialog to the file manager implementation.
Changes:
- [x] Add the picker invocation code
- [x] Rewrite unit test to accommodate the change
- [x] Patch up `htmlinputelement` to make things work
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Fix the type of HTMLIFrameElement.sandbox
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Make fetch happen
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Moves XHR over to the fetch backend.
Previous PR: https://github.com/servo/servo/pull/114
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Support WindowProxy return values in bindings
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- Hack to stop hitting unreachable on referer
- add fetch_done to make sync work
- Make datauris work by setting the response URI, spec bug
- Allow for empty bodies
- Make request bodies work (pass to http, fix fencepost in iter count)
Implement WebGL TexSubImage2D
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- [X] These changes do not require tests because I have run the wpt test of texSubImage2D.html, and it works.
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I have implemented ```TexSubImage2D``` follow [the spec](https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.8). This is my first version of implementation, and I notice I can reuse the code from ```TexImage2D```. Therefore, I would like to discuss make ```validate_tex_image2D_from_buffer``` and ```validate_tex_image2D_from_source``` to remove duplicate code.
Part of #10209
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Improve implementation and add testing regarding file manager thread
First there is a more completed unit test. And in the test running, I found a runtime error `Serde(Custom("bincode does not support Deserializer::deserialize))` when reading response from file manage thread. I analyzed a bit and found that it is probably caused by the `Uuid` field. I temporarily work around it by making the `Id` essentially a string wrapped inside `SelectedFileId`.
Related to PR #11131.
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Add blacklist check to GetIncludedService(s) functions
Somehow we missed it from our previous blacklist PR, to add blacklist check for the GetIncludedService() and GetIncludedServices() functions. Link for the spec: https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattservice-getincludedservice
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Fix an incorect behavior, when converting optional services.
As specified in https://webbluetoothcg.github.io/web-bluetooth/#ref-for-blacklisted-2 if any service in the optionalServices are blacklisted, there is no need to throw an error (just remove the service). In this case we don't add the service to the result of conversion.
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Add support for navigating by a delta
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This adds support for passing a delta with `NavigationDirection`. This will be used with `history.go`
r? @asajeffrey
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Mozbrowser top level browsing context
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Got `window.top` and `window.parent` to return the right result inside a `mozbrowser` iframe.
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