Move WebDevToolsAgent{Delegate} into the WebKit API....

webkit/glue/webdevtoolsagent_delegate.h

-// Copyright (c) 2009 The Chromium 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 WEBKIT_GLUE_WEBDEVTOOLSAGENT_DELEGATE_H_
-#define WEBKIT_GLUE_WEBDEVTOOLSAGENT_DELEGATE_H_
-
-#include "base/basictypes.h"
-
-namespace WebKit {
-class WebString;
-}
-
-class WebDevToolsAgentDelegate {
- public:
-  WebDevToolsAgentDelegate() {}
-  virtual ~WebDevToolsAgentDelegate() {}
-
-  virtual void SendMessageToClient(const WebKit::WebString& class_name,
-                                   const WebKit::WebString& method_name,
-                                   const WebKit::WebString& param1,
-                                   const WebKit::WebString& param2,
-                                   const WebKit::WebString& param3) = 0;
-
-  // Invalidates widget which leads to the repaint.
-  virtual void ForceRepaint() = 0;
-
-  // Returns the id of the entity hosting this agent.
-  virtual int GetHostId() = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(WebDevToolsAgentDelegate);
-};
-
-#endif  // WEBKIT_GLUE_WEBDEVTOOLSAGENT_DELEGATE_H_