[debug-wrapper] Migrate more tests

src/debug/debug-scopes.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/debug/debug-scopes.h"
 
 #include <memory>
 
 #include "src/ast/scopes.h"
 #include "src/debug/debug.h"
@@ skipping 717 matching lines @@
 // This method copies structure of MaterializeClosure method above.
 bool ScopeIterator::SetClosureVariableValue(Handle<String> variable_name,
                                             Handle<Object> new_value) {
   DCHECK(CurrentContext()->IsFunctionContext());
   return SetContextVariableValue(CurrentScopeInfo(), CurrentContext(),
                                  variable_name, new_value);
 }
 
 bool ScopeIterator::SetScriptVariableValue(Handle<String> variable_name,
                                            Handle<Object> new_value) {
+  Handle<String> internalized_variable_name =
+      isolate_->factory()->InternalizeString(variable_name);
   Handle<Context> context = CurrentContext();
   Handle<ScriptContextTable> script_contexts(
       context->global_object()->native_context()->script_context_table());
   ScriptContextTable::LookupResult lookup_result;
-  if (ScriptContextTable::Lookup(script_contexts, variable_name,
+  if (ScriptContextTable::Lookup(script_contexts, internalized_variable_name,
                                  &lookup_result)) {
     Handle<Context> script_context = ScriptContextTable::GetContext(
         script_contexts, lookup_result.context_index);
     script_context->set(lookup_result.slot_index, *new_value);
     return true;
   }
 
   return false;
 }
 
@@ skipping 103 matching lines @@
     DCHECK((beg_pos >= 0 && end_pos >= 0) || inner_scope->is_hidden());
     if (beg_pos <= position && position < end_pos) {
       GetNestedScopeChain(isolate, inner_scope, position);
       return;
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8