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

chrome/browser/notifications/balloon_host.h

Index: chrome/browser/notifications/balloon_host.h
diff --git a/chrome/browser/notifications/balloon_host.h b/chrome/browser/notifications/balloon_host.h
index c5a88e760c6df3c4677576a7ccf63fa339460823..c3c058be1182611113d59fbb973ee54331491a78 100644
--- a/chrome/browser/notifications/balloon_host.h
+++ b/chrome/browser/notifications/balloon_host.h
@@ -49,7 +49,9 @@ class BalloonHost : public RenderViewHostDelegate,
   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;