[inspector] migrate Schema, Console, Profiler to new style

src/inspector/v8-schema-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-schema-agent-impl.h"
 
 #include "src/inspector/protocol/Protocol.h"
 #include "src/inspector/v8-inspector-session-impl.h"
 
 namespace v8_inspector {
 
 V8SchemaAgentImpl::V8SchemaAgentImpl(V8InspectorSessionImpl* session,
                                      protocol::FrontendChannel* frontendChannel,
                                      protocol::DictionaryValue* state)
     : m_session(session), m_frontend(frontendChannel) {}
 
 V8SchemaAgentImpl::~V8SchemaAgentImpl() {}
 
-void V8SchemaAgentImpl::getDomains(
-    ErrorString*,
+Response V8SchemaAgentImpl::getDomains(
     std::unique_ptr<protocol::Array<protocol::Schema::Domain>>* result) {
   std::vector<std::unique_ptr<protocol::Schema::Domain>> domains =
       m_session->supportedDomainsImpl();
   *result = protocol::Array<protocol::Schema::Domain>::create();
   for (size_t i = 0; i < domains.size(); ++i)
     (*result)->addItem(std::move(domains[i]));
+  return Response::OK();
 }
 
 }  // namespace v8_inspector