Fix debugger crash in Sky

sky/engine/core/inspector/JavaScriptCallFrame.cpp

Index: sky/engine/core/inspector/JavaScriptCallFrame.cpp
diff --git a/sky/engine/core/inspector/JavaScriptCallFrame.cpp b/sky/engine/core/inspector/JavaScriptCallFrame.cpp
index 126eff0074274277fe9ed0c239d3cb419ab1fd62..c4bca793b4e7b408670738c43c183514e503b73e 100644
--- a/sky/engine/core/inspector/JavaScriptCallFrame.cpp
+++ b/sky/engine/core/inspector/JavaScriptCallFrame.cpp
@@ -122,7 +122,9 @@ v8::Handle<v8::Value> JavaScriptCallFrame::scopeChain() const
 
 int JavaScriptCallFrame::scopeType(int scopeIndex) const
 {
-    v8::Handle<v8::Array> scopeType = v8::Handle<v8::Array>::Cast(m_callFrame.newLocal(m_isolate)->Get(v8AtomicString(m_isolate, "scopeType")));
+    v8::Handle<v8::Object> callFrame = m_callFrame.newLocal(m_isolate);
+    v8::Handle<v8::Function> func = v8::Handle<v8::Function>::Cast(callFrame->Get(v8AtomicString(m_isolate, "scopeType")));
+    v8::Handle<v8::Array> scopeType = v8::Handle<v8::Array>::Cast(func->Call(callFrame, 0, 0));
     return scopeType->Get(scopeIndex)->Int32Value();
 }