Drop V8RecursionScope dependency on ExecutionContext

Source/bindings/core/v8/V8PerIsolateData.h

Index: Source/bindings/core/v8/V8PerIsolateData.h
diff --git a/Source/bindings/core/v8/V8PerIsolateData.h b/Source/bindings/core/v8/V8PerIsolateData.h
index 98952e4e83b2169a036d5f8abad790ccaad13e32..1a93fd736bb3b39b9be7f08e0ab91a2a6e6b9ad7 100644
--- a/Source/bindings/core/v8/V8PerIsolateData.h
+++ b/Source/bindings/core/v8/V8PerIsolateData.h
@@ -32,6 +32,7 @@
 #include "bindings/core/v8/WrapperTypeInfo.h"
 #include "gin/public/gin_embedders.h"
 #include "gin/public/isolate_holder.h"
+#include "modules/indexeddb/IDBPendingTransactionMonitor.h"
 #include "wtf/Forward.h"
 #include "wtf/HashMap.h"
 #include "wtf/OwnPtr.h"
@@ -58,7 +59,9 @@ public:
         ASSERT(isolate->GetData(gin::kEmbedderBlink));
         return static_cast<V8PerIsolateData*>(isolate->GetData(gin::kEmbedderBlink));
     }
-    static void dispose(v8::Isolate*);
+
+    static void willBeDestroyed(v8::Isolate*);
+    static void destroy(v8::Isolate*);
     static v8::Isolate* mainThreadIsolate();
 
     v8::Isolate* isolate() { return m_isolate; }
@@ -99,6 +102,9 @@ public:
     const char* previousSamplingState() const { return m_previousSamplingState; }
     void setPreviousSamplingState(const char* name) { m_previousSamplingState = name; }
 
+    IDBPendingTransactionMonitor* idbPendingTransactionMonitor() const { return m_idbPendingTransactionMonitor.get(); }
+    void setIDBPendingTransactionMonitor(PassOwnPtr<IDBPendingTransactionMonitor> monitor) { ASSERT(!m_idbPendingTransactionMonitor); m_idbPendingTransactionMonitor = monitor; }
+
 private:
     explicit V8PerIsolateData(v8::Isolate*);
     ~V8PerIsolateData();
@@ -131,6 +137,8 @@ private:
 #endif
     OwnPtr<GCEventData> m_gcEventData;
     bool m_performingMicrotaskCheckpoint;
+
+    OwnPtr<IDBPendingTransactionMonitor> m_idbPendingTransactionMonitor;
 };
 
 } // namespace blink