Replace IDBPendingTransactionMonitor with end-of-recursion-scope tasks

Source/bindings/modules/v8/ModuleBindingsInitializer.cpp

Index: Source/bindings/modules/v8/ModuleBindingsInitializer.cpp
diff --git a/Source/bindings/modules/v8/ModuleBindingsInitializer.cpp b/Source/bindings/modules/v8/ModuleBindingsInitializer.cpp
index a9a82c2aaca09ef00ca9d325ccb8f336992fee39..a7daa713d365966bd447ca3dd21c1cff812e3ed3 100644
--- a/Source/bindings/modules/v8/ModuleBindingsInitializer.cpp
+++ b/Source/bindings/modules/v8/ModuleBindingsInitializer.cpp
@@ -8,7 +8,6 @@
 #include "bindings/core/v8/ModuleProxy.h"
 #include "bindings/core/v8/V8PerIsolateData.h"
 #include "core/dom/ExecutionContext.h"
-#include "modules/indexeddb/IDBPendingTransactionMonitor.h"
 
 namespace blink {
 
@@ -18,9 +17,6 @@ void initPartialInterfacesInModules();
 
 static void didLeaveScriptContextForModule(v8::Isolate* isolate)
 {
-    // Indexed DB requires that transactions are created with an internal |active| flag
-    // set to true, but the flag becomes false when control returns to the event loop.
-    V8PerIsolateData::from(isolate)->ensureIDBPendingTransactionMonitor()->deactivateNewTransactions();
 }
 
 void ModuleBindingsInitializer::init()