[DevTools] Pass session id in detach request

third_party/WebKit/public/web/WebDevToolsAgent.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 29 matching lines @@
 struct WebPoint;
 
 class WebDevToolsAgent {
  public:
   virtual ~WebDevToolsAgent() {}
 
   virtual void Attach(const WebString& host_id, int session_id) = 0;
   virtual void Reattach(const WebString& host_id,
                         int session_id,
                         const WebString& saved_state) = 0;
-  virtual void Detach() = 0;
+  virtual void Detach(int session_id) = 0;
 
   virtual void ContinueProgram() = 0;
 
   virtual void DispatchOnInspectorBackend(int session_id,
                                           int call_id,
                                           const WebString& method,
                                           const WebString& message) = 0;
 
   virtual void InspectElementAt(int session_id, const WebPoint&) = 0;
   virtual void FailedToRequestDevTools() = 0;
@@ skipping 14 matching lines @@
   };
   // Asynchronously request debugger to pause immediately and run the command.
   BLINK_EXPORT static void InterruptAndDispatch(int session_id,
                                                 MessageDescriptor*);
   BLINK_EXPORT static bool ShouldInterruptForMethod(const WebString&);
 };
 
 }  // namespace blink
 
 #endif