bindings: Use Maybe version of v8::String::NewFromUtf8()

Source/bindings/core/v8/ScriptDebugServer.cpp

Index: Source/bindings/core/v8/ScriptDebugServer.cpp
diff --git a/Source/bindings/core/v8/ScriptDebugServer.cpp b/Source/bindings/core/v8/ScriptDebugServer.cpp
index d138fb953ff54f3b3cfb73317c8f67f798e4b18a..61d8c854a99820d82f6942ae6f38e38dfd585dc2 100644
--- a/Source/bindings/core/v8/ScriptDebugServer.cpp
+++ b/Source/bindings/core/v8/ScriptDebugServer.cpp
@@ -667,7 +667,7 @@ v8::Local<v8::Object> ScriptDebugServer::debuggerScriptLocal() const
 
 v8::Local<v8::String> ScriptDebugServer::v8InternalizedString(const char* str) const
 {
-    return v8::String::NewFromUtf8(m_isolate, str, v8::String::kInternalizedString);
+    return v8AtomicString(m_isolate, str);
 }
 
 v8::Local<v8::Value> ScriptDebugServer::functionScopes(v8::Handle<v8::Function> function)
@@ -706,7 +706,7 @@ v8::Local<v8::Value> ScriptDebugServer::getInternalProperties(v8::Handle<v8::Obj
 v8::Handle<v8::Value> ScriptDebugServer::setFunctionVariableValue(v8::Handle<v8::Value> functionValue, int scopeNumber, const String& variableName, v8::Handle<v8::Value> newValue)
 {
     if (m_debuggerScript.IsEmpty())
-        return m_isolate->ThrowException(v8::String::NewFromUtf8(m_isolate, "Debugging is not enabled."));
+        return m_isolate->ThrowException(v8NormalString(m_isolate, "Debugging is not enabled."));
 
     v8::Handle<v8::Value> argv[] = {
         functionValue,