DevTools: Add parent id to target descriptor in remote debugging.

content/shell/browser/shell_devtools_delegate.cc

 // Copyright 2013 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.
 
 #include "content/shell/browser/shell_devtools_delegate.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 59 matching lines @@
   }
   return new net::TCPListenSocketFactory("127.0.0.1", port);
 #endif
 }
 
 class Target : public content::DevToolsTarget {
  public:
   explicit Target(WebContents* web_contents);
 
   virtual std::string GetId() const OVERRIDE { return id_; }
+  virtual std::string GetParentId() const OVERRIDE { return std::string(); }
   virtual std::string GetType() const OVERRIDE { return kTargetTypePage; }
   virtual std::string GetTitle() const OVERRIDE { return title_; }
   virtual std::string GetDescription() const OVERRIDE { return std::string(); }
   virtual GURL GetURL() const OVERRIDE { return url_; }
   virtual GURL GetFaviconURL() const OVERRIDE { return favicon_url_; }
   virtual base::TimeTicks GetLastActivityTime() const OVERRIDE {
     return last_activity_time_;
   }
   virtual bool IsAttached() const OVERRIDE {
     return agent_host_->IsAttached();
@@ skipping 116 matching lines @@
 }
 
 scoped_ptr<net::StreamListenSocket>
 ShellDevToolsDelegate::CreateSocketForTethering(
     net::StreamListenSocket::Delegate* delegate,
     std::string* name) {
   return scoped_ptr<net::StreamListenSocket>();
 }
 
 }  // namespace content