author | Olli Pettay <Olli.Pettay@helsinki.fi> |
Wed, 15 Feb 2017 17:04:16 +0200 | |
changeset 343102 | 2f5ea49d65cf21e1ecf7c7c6c348abd3b9d2a456 |
parent 343101 | 8f45618754feef3ba059cf47a5d7b8ed437113a5 |
child 343103 | 3cac14211742ccb4b1f98fc4e44236eeb0d7c27e |
push id | 31369 |
push user | kwierso@gmail.com |
push date | Thu, 16 Feb 2017 00:18:40 +0000 |
treeherder | mozilla-central@e9b926463f9e [default view] [failures only] |
perfherder | [talos] [build metrics] [platform microbench] (compared to previous push) |
reviewers | tschneider |
bugs | 1338886 |
milestone | 54.0a1 |
first release with | nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
|
last release without | nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
|
--- a/dom/base/nsDocument.cpp +++ b/dom/base/nsDocument.cpp @@ -12610,16 +12610,20 @@ void nsDocument::RemoveIntersectionObserver(DOMIntersectionObserver* aObserver) { mIntersectionObservers.RemoveElement(aObserver); } void nsDocument::UpdateIntersectionObservations() { + if (mIntersectionObservers.IsEmpty()) { + return; + } + DOMHighResTimeStamp time = 0; if (nsPIDOMWindowInner* window = GetInnerWindow()) { Performance* perf = window->GetPerformance(); if (perf) { time = perf->Now(); } } for (const auto& observer : mIntersectionObservers) {