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

src/inspector/v8-console-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_V8CONSOLEAGENTIMPL_H_
 #define V8_INSPECTOR_V8CONSOLEAGENTIMPL_H_
 
 #include "src/base/macros.h"
 #include "src/inspector/protocol/Console.h"
 #include "src/inspector/protocol/Forward.h"
 
 namespace v8_inspector {
 
 class V8ConsoleMessage;
 class V8InspectorSessionImpl;
 
-using protocol::ErrorString;
+using protocol::Response;
 
 class V8ConsoleAgentImpl : public protocol::Console::Backend {
  public:
   V8ConsoleAgentImpl(V8InspectorSessionImpl*, protocol::FrontendChannel*,
                      protocol::DictionaryValue* state);
   ~V8ConsoleAgentImpl() override;
 
-  void enable(ErrorString*) override;
-  void disable(ErrorString*) override;
-  void clearMessages(ErrorString*) override;
+  Response enable() override;
+  Response disable() override;
+  Response clearMessages() override;
 
   void restore();
   void messageAdded(V8ConsoleMessage*);
   void reset();
   bool enabled();
 
  private:
   void reportAllMessages();
   bool reportMessage(V8ConsoleMessage*, bool generatePreview);
 
   V8InspectorSessionImpl* m_session;
   protocol::DictionaryValue* m_state;
   protocol::Console::Frontend m_frontend;
   bool m_enabled;
 
   DISALLOW_COPY_AND_ASSIGN(V8ConsoleAgentImpl);
 };
 
 }  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_V8CONSOLEAGENTIMPL_H_