Navigation transitions (web to native app): Revert exit transition (Blink side)

Source/core/dom/StyleEngine.cpp

Index: Source/core/dom/StyleEngine.cpp
diff --git a/Source/core/dom/StyleEngine.cpp b/Source/core/dom/StyleEngine.cpp
index 947fc69bfe2dc42b6b41b61bb6b1b53a6b310017..803e0fb98364a0e9768d414cb2427cc762511c27 100644
--- a/Source/core/dom/StyleEngine.cpp
+++ b/Source/core/dom/StyleEngine.cpp
@@ -334,6 +334,12 @@ void StyleEngine::enableExitTransitionStylesheets()
     collection->enableExitTransitionStylesheets();
 }
 
+void StyleEngine::disableExitTransitionStylesheets()
+{
+    TreeScopeStyleSheetCollection* collection = ensureStyleSheetCollectionFor(*m_document);
+    collection->disableExitTransitionStylesheets();
+}
+
 bool StyleEngine::shouldUpdateDocumentStyleSheetCollection(StyleResolverUpdateMode updateMode) const
 {
     return m_documentScopeDirty || updateMode == FullStyleUpdate;