binidngs: Make callInternalFunction return MaybeLocal

Source/core/inspector/JavaScriptCallFrame.h

Index: Source/core/inspector/JavaScriptCallFrame.h
diff --git a/Source/core/inspector/JavaScriptCallFrame.h b/Source/core/inspector/JavaScriptCallFrame.h
index 88355d68b520e63a40e9c5fc01a8608adfdde002..03ac404fa7d59ce51c2ee6d7c05749b364fefdd4 100644
--- a/Source/core/inspector/JavaScriptCallFrame.h
+++ b/Source/core/inspector/JavaScriptCallFrame.h
@@ -69,8 +69,8 @@ public:
     v8::Local<v8::Value> returnValue() const;
 
     v8::Local<v8::Value> evaluateWithExceptionDetails(v8::Local<v8::Value> expression, v8::Local<v8::Value> scopeExtension);
-    v8::Local<v8::Value> restart();
-    v8::Local<v8::Value> setVariableValue(int scopeNumber, v8::Local<v8::Value> variableName, v8::Local<v8::Value> newValue);
+    v8::MaybeLocal<v8::Value> restart();
+    v8::MaybeLocal<v8::Value> setVariableValue(int scopeNumber, v8::Local<v8::Value> variableName, v8::Local<v8::Value> newValue);
 
     static v8::Local<v8::Object> createExceptionDetails(v8::Isolate*, v8::Local<v8::Message>);