[debugger] remove outdated TODO.

src/debug/debug-evaluate.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-evaluate.h"
 
 #include "src/accessors.h"
 #include "src/compiler.h"
 #include "src/contexts.h"
 #include "src/debug/debug-frames.h"
@@ skipping 192 matching lines @@
                      : Handle<ScopeInfo>(evaluation_context_->scope_info())));
     scope_info->SetIsDebugEvaluateScope();
     evaluation_context_ = factory->NewDebugEvaluateContext(
         evaluation_context_, scope_info, context_chain_[i].materialized_object,
         context_chain_[i].wrapped_context, context_chain_[i].whitelist);
   }
 }
 
 
 void DebugEvaluate::ContextBuilder::UpdateValues() {
-  // TODO(yangguo): remove updating values.
   for (int i = 0; i < context_chain_.length(); i++) {
     ContextChainElement element = context_chain_[i];
     if (!element.materialized_object.is_null()) {
       // Write back potential changes to materialized stack locals to the stack.
       FrameInspector(frame_, inlined_jsframe_index_, isolate_)
           .UpdateStackLocalsFromMaterializedObject(element.materialized_object,
                                                    element.scope_info);
     }
   }
 }
@@ skipping 343 matching lines @@
 
   if (FLAG_trace_side_effect_free_debug_evaluate) {
     PrintF("[debug-evaluate] API Callback at %p may cause side effect.\n",
            reinterpret_cast<void*>(function_addr));
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace v8