This adds some plumbing for propagating the reason for a renderer's death

chrome/browser/notifications/balloon_host.h

 // Copyright (c) 2010 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 CHROME_BROWSER_NOTIFICATIONS_BALLOON_HOST_H_
 #define CHROME_BROWSER_NOTIFICATIONS_BALLOON_HOST_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 31 matching lines @@
   const string16& GetSource() const;
 
   // RenderViewHostDelegate overrides.
   virtual WebPreferences GetWebkitPrefs();
   virtual SiteInstance* GetSiteInstance() const;
   virtual Profile* GetProfile() const;
   virtual const GURL& GetURL() const;
   virtual void Close(RenderViewHost* render_view_host);
   virtual void RenderViewCreated(RenderViewHost* render_view_host);
   virtual void RenderViewReady(RenderViewHost* render_view_host);
-  virtual void RenderViewGone(RenderViewHost* render_view_host);
+  virtual void RenderViewGone(RenderViewHost* render_view_host,
+                              base::TerminationStatus status,
+                              int error_code);
   virtual void UpdateTitle(RenderViewHost* render_view_host,
                            int32 page_id, const std::wstring& title) {}
   virtual int GetBrowserWindowID() const;
   virtual ViewType::Type GetRenderViewType() const;
   virtual RenderViewHostDelegate::View* GetViewDelegate();
   virtual void ProcessDOMUIMessage(const ViewHostMsg_DomMessage_Params& params);
 
   // RenderViewHostDelegate::View methods. Only the ones for opening new
   // windows are currently implemented.
   virtual void CreateNewWindow(
@@ skipping 85 matching lines @@
 
   // Handles requests to extension APIs. Will only be non-NULL if we are
   // rendering a page from an extension.
   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
 
   // A flag to enable DOM UI.
   bool enable_dom_ui_;
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_BALLOON_HOST_H_