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Source/bindings/dart/DartHandleProxy.h

Index: Source/bindings/dart/DartHandleProxy.h
diff --git a/Source/bindings/dart/DartHandleProxy.h b/Source/bindings/dart/DartHandleProxy.h
index 24025717b44f2e7d0da7568948b74dfa6d3827cd..ebc49e4250ab984c984dd5bc71f2430f3fb76d1b 100644
--- a/Source/bindings/dart/DartHandleProxy.h
+++ b/Source/bindings/dart/DartHandleProxy.h
@@ -31,13 +31,17 @@
 #ifndef DartHandleProxy_h
 #define DartHandleProxy_h
 
+#include "bindings/dart/DartUtilities.h"
+
 #include <dart_api.h>
+#include <dart_debugger_api.h>
 #include <dart_mirrors_api.h>
 #include <v8.h>
 
 namespace WebCore {
 
 class Node;
+class DartScriptValue;
 
 class DartHandleProxy {
 public:
@@ -49,6 +53,26 @@ public:
     static bool isDartProxy(v8::Handle<v8::Value>);
     static const char* getJavaScriptType(v8::Handle<v8::Value>);
     static Node* toNativeNode(v8::Handle<v8::Value>);
+    static Dart_Handle unwrapValue(v8::Handle<v8::Value>);
+
+};
+
+/**
+ * Helper class to manage all scopes that must be entered to safely invoke Dart
+ * code.
+ */
+class DartScopes {
+private:
+    DartScriptValue* scriptValue;
+    DartIsolateScope scope;
+    DartApiScope apiScope;
+    Dart_ExceptionPauseInfo previousPauseInfo;
+
+public:
+    Dart_Handle handle;
+
+    DartScopes(v8::Local<v8::Object> v8Handle);
+    ~DartScopes();
 };
 
 }