[ABANDONED] Enable V8 Promises

Source/bindings/v8/V8RecursionScope.cpp

Index: Source/bindings/v8/V8RecursionScope.cpp
diff --git a/Source/bindings/v8/V8RecursionScope.cpp b/Source/bindings/v8/V8RecursionScope.cpp
index c08fba7c855efb188047777c0fb263a92d5f16c7..143f754d5c98b80363865fb1069be3390ec06382 100644
--- a/Source/bindings/v8/V8RecursionScope.cpp
+++ b/Source/bindings/v8/V8RecursionScope.cpp
@@ -31,7 +31,10 @@
 #include "config.h"
 #include "bindings/v8/V8RecursionScope.h"
 
+#include "core/dom/ExecutionContext.h"
 #include "core/dom/Microtask.h"
+#include "core/workers/WorkerGlobalScope.h"
+#include "core/workers/WorkerThread.h"
 #include "modules/indexeddb/IDBPendingTransactionMonitor.h"
 
 namespace WebCore {
@@ -44,8 +47,22 @@ void V8RecursionScope::didLeaveScriptContext()
     // set to true, but the flag becomes false when control returns to the event loop.
     IDBPendingTransactionMonitor::deactivateNewTransactions();
 
-    if (m_isDocumentContext)
+    if (!isStopped())
         Microtask::performCheckpoint();
 }
 
+bool V8RecursionScope::isStopped()
+{
+    if (!m_context || m_context->activeDOMObjectsAreStopped())

[adamk, 2014/03/28 17:55:05]

How do you know a null context indicates "stopped"?

+        return true;
+    if (m_context->isDocument())
+        return false;
+    if (m_context->isWorkerGlobalScope()) {
+        WorkerGlobalScope* workerContext = toWorkerGlobalScope(m_context);
+        WorkerThread* thread = workerContext->thread();
+        return workerContext->isClosing() || !thread || thread->runLoop().terminated();
+    }
+    return true;
+}
+
 } // namespace WebCore