Don't make :hover sticky on tap on sites that set a mobile viewport set

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 5ef85b8c99b269694a820145e9b53603cb2d594f..71359b57440c67b0d0964ba4a2922903acecb43f 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -5424,10 +5424,20 @@ void Document::updateHoverActiveState(const HitTestRequest& request, Element* in
         }
     }
 
-    // Now set the hover state for our new object up to the root.
-    for (RenderObject* curr = newHoverObj; curr; curr = curr->hoverAncestor()) {
-        if (curr->node() && !curr->isText() && (!mustBeInActiveChain || curr->node()->inActiveChain()))
-            nodesToAddToChain.append(curr->node());
+    if (oldHoverObj == newHoverObj && request.leave()) {
+        // clear hover path upto including the ancestor
+        for (RenderObject* curr = oldHoverObj; curr; curr = curr->hoverAncestor()) {
+            if (curr->node() && !curr->isText() && (!mustBeInActiveChain || curr->node()->inActiveChain())) {
+                nodesToRemoveFromChain.append(curr->node());
+            }
+        }
+        setHoverNode(nullptr);
+    } else {
+        // Now set the hover state for our new object up to the root.
+        for (RenderObject* curr = newHoverObj; curr; curr = curr->hoverAncestor()) {
+            if (curr->node() && !curr->isText() && (!mustBeInActiveChain || curr->node()->inActiveChain()))
+                nodesToAddToChain.append(curr->node());
+        }
     }
 
     // mouseenter and mouseleave events do not bubble, so they are dispatched iff there is a capturing