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LibWeb: Add a time origin property for all ESOs

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This acts as a baseline for performance related timestamps.
This commit is contained in:
Tim Ledbetter
2025-01-07 10:08:14 +00:00
committed by Alexander Kalenik
parent a8904451ff
commit 8963e62a5e
Notes: github-actions[bot] 2025-01-27 13:54:41 +00:00 
Author: https://github.com/tcl3
Commit: https://github.com/LadybirdBrowser/ladybird/commit/8963e62a5e3
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3341
9 changed files with 29 additions and 5 deletions
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Libraries/LibWeb/HTML/Scripting/WindowEnvironmentSettingsObject.cpp
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@@ -117,6 +117,13 @@ PolicyContainer WindowEnvironmentSettingsObject::policy_container() const
return m_window->associated_document().policy_container();
}
// https://html.spec.whatwg.org/multipage/nav-history-apis.html#script-settings-for-window-objects:concept-settings-object-time-origin
double WindowEnvironmentSettingsObject::time_origin() const
{
// Return window's associated Document's load timing info's navigation start time.
return m_window->associated_document().load_timing_info().navigation_start_time;
}
// https://html.spec.whatwg.org/multipage/window-object.html#script-settings-for-window-objects:concept-settings-object-cross-origin-isolated-capability
CanUseCrossOriginIsolatedAPIs WindowEnvironmentSettingsObject::cross_origin_isolated_capability() const
{