[inspector] migrate Runtime to new style

src/inspector/v8-heap-profiler-agent-impl.cc

 // Copyright 2016 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/inspector/v8-heap-profiler-agent-impl.h"
 
 #include "src/inspector/injected-script.h"
 #include "src/inspector/protocol/Protocol.h"
 #include "src/inspector/string-util.h"
 #include "src/inspector/v8-debugger.h"
@@ skipping 251 matching lines @@
     return Response::Error("Object is not available");
   m_session->addInspectedObject(wrapUnique(new InspectableHeapObject(id)));
   return Response::OK();
 }
 
 Response V8HeapProfilerAgentImpl::getHeapObjectId(
     const String16& objectId, String16* heapSnapshotObjectId) {
   v8::HandleScope handles(m_isolate);
   v8::Local<v8::Value> value;
   v8::Local<v8::Context> context;
-  protocol::ErrorString errorString;
-  if (!m_session->unwrapObject(&errorString, objectId, &value, &context,
-                               nullptr) ||
-      value->IsUndefined())
-    return Response::Error(errorString);
+  Response response =
+      m_session->unwrapObject(objectId, &value, &context, nullptr);
+  if (!response.isSuccess()) return response;
+  if (value->IsUndefined()) return Response::InternalError();
 
   v8::SnapshotObjectId id = m_isolate->GetHeapProfiler()->GetObjectId(value);
   *heapSnapshotObjectId = String16::fromInteger(static_cast<size_t>(id));
   return Response::OK();
 }
 
 void V8HeapProfilerAgentImpl::requestHeapStatsUpdate() {
   HeapStatsStream stream(&m_frontend);
   v8::SnapshotObjectId lastSeenObjectId =
       m_isolate->GetHeapProfiler()->GetHeapStats(&stream);
@@ skipping 87 matching lines @@
   if (!v8Profile)
     return Response::Error("Cannot access v8 sampled heap profile.");
   v8::AllocationProfile::Node* root = v8Profile->GetRootNode();
   *profile = protocol::HeapProfiler::SamplingHeapProfile::create()
                  .setHead(buildSampingHeapProfileNode(root))
                  .build();
   return Response::OK();
 }
 
 }  // namespace v8_inspector