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

src/inspector/v8-schema-agent-impl.h

 // 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.
 
 #ifndef V8_INSPECTOR_V8SCHEMAAGENTIMPL_H_
 #define V8_INSPECTOR_V8SCHEMAAGENTIMPL_H_
 
 #include "src/base/macros.h"
 #include "src/inspector/protocol/Forward.h"
 #include "src/inspector/protocol/Schema.h"
 
 namespace v8_inspector {
 
 class V8InspectorSessionImpl;
 
-using protocol::ErrorString;
+using protocol::Response;
 
 class V8SchemaAgentImpl : public protocol::Schema::Backend {
  public:
   V8SchemaAgentImpl(V8InspectorSessionImpl*, protocol::FrontendChannel*,
                     protocol::DictionaryValue* state);
   ~V8SchemaAgentImpl() override;
 
-  void getDomains(
-      ErrorString*,
+  Response getDomains(
       std::unique_ptr<protocol::Array<protocol::Schema::Domain>>*) override;
 
  private:
   V8InspectorSessionImpl* m_session;
   protocol::Schema::Frontend m_frontend;
 
   DISALLOW_COPY_AND_ASSIGN(V8SchemaAgentImpl);
 };
 
 }  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_V8SCHEMAAGENTIMPL_H_