Improve Dart Debugger performance and robustness by creating Dart wrappers using the standard SetNa…

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 2fe4f6111e07730f11cd91fd1720c99d1abaa0e8..413d498054223767fb3f9eef9d832e61d316aa0d 100644
--- a/Source/bindings/dart/DartHandleProxy.h
+++ b/Source/bindings/dart/DartHandleProxy.h
@@ -37,11 +37,17 @@
 
 namespace WebCore {
 
+class Node;
+
 class DartHandleProxy {
 public:
     static v8::Handle<v8::Value> create(Dart_Handle value);
-    static v8::Handle<v8::Value> createForLibrary(intptr_t libraryId);
-    static void getMirrorAPI(v8::Handle<v8::Object> container);
+    static v8::Handle<v8::Value> createLibraryProxy(Dart_Handle value, int32_t libraryId, Dart_Handle prefix);
+    static v8::Handle<v8::Value> createLocalScopeProxy(Dart_Handle localVariables);
+
+    static bool isDartProxy(v8::Handle<v8::Value>);
+    static const char* getType(v8::Handle<v8::Value>);
+    static Node* toNativeNode(v8::Handle<v8::Value>);
 };
 
 }