--- a/layout/base/AccessibleCaretManager.cpp
+++ b/layout/base/AccessibleCaretManager.cpp
@@ -505,18 +505,17 @@ AccessibleCaretManager::DragCaret(const 
 {
   MOZ_ASSERT(mActiveCaret);
   MOZ_ASSERT(GetCaretMode() != CaretMode::None);
 
   if (!mPresShell || !mPresShell->GetRootFrame() || !GetSelection()) {
     return NS_ERROR_NULL_POINTER;
   }
 
-  nsPoint point(aPoint.x, aPoint.y + mOffsetYToCaretLogicalPosition);
-  DragCaretInternal(point);
+  DragCaretInternal(aPoint);
   UpdateCarets();
   return NS_OK;
 }
 
 nsresult
 AccessibleCaretManager::ReleaseCaret()
 {
   MOZ_ASSERT(mActiveCaret);
@@ -1214,17 +1213,18 @@ AccessibleCaretManager::CompareTreePosit
 nsresult
 AccessibleCaretManager::DragCaretInternal(const nsPoint& aPoint)
 {
   MOZ_ASSERT(mPresShell);
 
   nsIFrame* rootFrame = mPresShell->GetRootFrame();
   MOZ_ASSERT(rootFrame, "We need root frame to compute caret dragging!");
 
-  nsPoint point = AdjustDragBoundary(aPoint);
+  nsPoint point = AdjustDragBoundary(
+    nsPoint(aPoint.x, aPoint.y + mOffsetYToCaretLogicalPosition));
 
   // Find out which content we point to
   nsIFrame* ptFrame = nsLayoutUtils::GetFrameForPoint(
     rootFrame, point,
     nsLayoutUtils::IGNORE_PAINT_SUPPRESSION | nsLayoutUtils::IGNORE_CROSS_DOC);
   if (!ptFrame) {
     return NS_ERROR_FAILURE;
   }