[ABANDONED] Enable V8 Promises

Source/bindings/v8/V8RecursionScope.h

Index: Source/bindings/v8/V8RecursionScope.h
diff --git a/Source/bindings/v8/V8RecursionScope.h b/Source/bindings/v8/V8RecursionScope.h
index 3bc3da7d0247301f1b1219c30ea842a61ffd19e6..2ccc8b3d0bddfc13f4d614d16c8748f72fff2fe1 100644
--- a/Source/bindings/v8/V8RecursionScope.h
+++ b/Source/bindings/v8/V8RecursionScope.h
@@ -32,11 +32,12 @@
 #define V8RecursionScope_h
 
 #include "bindings/v8/V8PerIsolateData.h"
-#include "core/dom/ExecutionContext.h"
 #include "wtf/Noncopyable.h"
 
 namespace WebCore {
 
+class ExecutionContext;
+
 // C++ calls into script contexts which are "owned" by WebKit (created in a
 // process where WebKit.cpp initializes v8) must declare their type:
 //
@@ -58,7 +59,7 @@ class V8RecursionScope {
     WTF_MAKE_NONCOPYABLE(V8RecursionScope);
 public:
     explicit V8RecursionScope(ExecutionContext* context)
-        : m_isDocumentContext(context && context->isDocument())
+        : m_context(context)
     {
         V8PerIsolateData::current()->incrementRecursionLevel();
     }
@@ -100,8 +101,9 @@ public:
 
 private:
     void didLeaveScriptContext();
+    bool isStopped();
 
-    bool m_isDocumentContext;
+    ExecutionContext* m_context;

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

Can you explain why it's safe to store the context here?

 };
 
 } // namespace WebCore