tor-browser

commit 746419bb19390abe24abd56790b313efa48cddbe
parent 282c9989c4d855c89a77119184db7c8dbed505f0
Author: agoloman <agoloman@mozilla.com>
Date:   Wed,  8 Oct 2025 04:10:17 +0300

Revert "Bug 1991587 - Use consistent timestamp for FCP and LCP entries r=jlink,smaug" for causing wpt failures @fcp-ensure-update-the-rendering-step.html.

This reverts commit fe854316afdeb03d39a09b5061f00ed0047d6a0e.

Diffstat:
M
layout/base/nsPresContext.cpp
 | 
2
+-
A
testing/web-platform/meta/largest-contentful-paint/first-paint-equals-lcp-text.html.ini
 | 
5
+++++

2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/layout/base/nsPresContext.cpp b/layout/base/nsPresContext.cpp
@@ -2760,7 +2760,7 @@ void nsPresContext::NotifyContentfulPaint() {
                "We should only notify contentful paint during refresh "
                "driver ticks");
     if (!perf->HadFCPTimingEntry()) {
-      TimeStamp nowTime = mMarkPaintTimingStart;
+      TimeStamp nowTime = rootPresContext->RefreshDriver()->MostRecentRefresh();
       MOZ_ASSERT(!nowTime.IsNull(),
                  "Most recent refresh timestamp should exist since we are in "
                  "a refresh driver tick");
diff --git a/testing/web-platform/meta/largest-contentful-paint/first-paint-equals-lcp-text.html.ini b/testing/web-platform/meta/largest-contentful-paint/first-paint-equals-lcp-text.html.ini
@@ -0,0 +1,5 @@
+[first-paint-equals-lcp-text.html]
+  expected:
+    if (os == "android") and fission: [OK, TIMEOUT]
+  [FCP and LCP are the same when there is a single text element in the page.]
+    expected: FAIL