DevTools: reattach to previous RVH when pending navigation is being canceled

content/browser/debugger/devtools_manager.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_DEBUGGER_DEVTOOLS_MANAGER_H_
 #define CONTENT_BROWSER_DEBUGGER_DEVTOOLS_MANAGER_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 42 matching lines @@
                                const IPC::Message& message);
 
   void SaveAgentRuntimeState(DevToolsAgentHost* agent_host,
                              const std::string& state);
 
   // Sends 'Attach' message to the agent using |dest_rvh| in case
   // there is a DevToolsClientHost registered for the |inspected_rvh|.
   void OnNavigatingToPendingEntry(RenderViewHost* inspected_rvh,
                                   RenderViewHost* dest_rvh,
                                   const GURL& gurl);
+  void OnCancelPendingNavigation(RenderViewHost* pending,
+                                 RenderViewHost* current);
 
   // Invoked when a tab is replaced by another tab. This is triggered by
   // TabStripModel::ReplaceTabContentsAt.
   void TabReplaced(TabContents* old_tab, TabContents* new_tab);
 
   // Detaches client host and returns cookie that can be used in
   // AttachClientHost.
   int DetachClientHost(RenderViewHost* from_rvh);
 
   // Attaches orphan client host to new render view host.
@@ skipping 48 matching lines @@
 
   typedef std::map<int, std::pair<DevToolsClientHost*, std::string> >
       OrphanClientHosts;
   OrphanClientHosts orphan_client_hosts_;
   int last_orphan_cookie_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsManager);
 };
 
 #endif  // CONTENT_BROWSER_DEBUGGER_DEVTOOLS_MANAGER_H_