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-rw-r--r--dom/base/DOMIntersectionObserver.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/dom/base/DOMIntersectionObserver.cpp b/dom/base/DOMIntersectionObserver.cpp
index f5e59c2b9..650ec83cd 100644
--- a/dom/base/DOMIntersectionObserver.cpp
+++ b/dom/base/DOMIntersectionObserver.cpp
@@ -424,15 +424,15 @@ DOMIntersectionObserver::Update(nsIDocument* aDocument, DOMHighResTimeStamp time
intersectionRatio = intersectionRect.isSome() ? 1.0 : 0.0;
}
- size_t threshold = -1;
+ int32_t threshold = -1;
if (intersectionRatio > 0.0) {
if (intersectionRatio >= 1.0) {
intersectionRatio = 1.0;
- threshold = mThresholds.Length();
+ threshold = (int32_t)mThresholds.Length();
} else {
for (size_t k = 0; k < mThresholds.Length(); ++k) {
if (mThresholds[k] <= intersectionRatio) {
- threshold = k + 1;
+ threshold = (int32_t)k + 1;
} else {
break;
}