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

chrome/browser/renderer_host/render_process_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_RENDERER_HOST_RENDER_PROCESS_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_H_
 #pragma once
 
 #include <set>
 
 #include "app/surface/transport_dib.h"
 #include "base/id_map.h"
 #include "base/process.h"
+#include "base/process_util.h"
 #include "base/scoped_ptr.h"
 #include "base/time.h"
 #include "chrome/common/visitedlink_common.h"
 #include "ipc/ipc_sync_channel.h"
 
 class Profile;
 class URLRequestContextGetter;
 struct ViewMsg_ClosePage_Params;
 
 namespace base {
@@ skipping 17 matching lines @@
   // Note: it may be possible for a renderer to have multiple privileges,
   // in which case we call it an "extension" renderer.
   enum Type {
     TYPE_NORMAL,     // Normal renderer, no extra privileges.
     TYPE_DOMUI,      // Renderer with DOMUI privileges, like New Tab.
     TYPE_EXTENSION,  // Renderer with extension privileges.
   };
 
   // Details for RENDERER_PROCESS_CLOSED notifications.
   struct RendererClosedDetails {
-    RendererClosedDetails(bool did_crash, bool was_extension_renderer) {
-      this->did_crash = did_crash;
+    RendererClosedDetails(base::TerminationStatus status,
+                          int exit_code,
+                          bool was_extension_renderer) {
+      this->status = status;
+      this->exit_code = exit_code;
       this->was_extension_renderer = was_extension_renderer;
     }
-    bool did_crash;
+    base::TerminationStatus status;
+    int exit_code;
     bool was_extension_renderer;
   };
 
   explicit RenderProcessHost(Profile* profile);
   virtual ~RenderProcessHost();
 
   // Returns the user profile associated with this renderer process.
   Profile* profile() const { return profile_; }
 
   // Returns the unique ID for this child process. This can be used later in
@@ skipping 247 matching lines @@
 // Factory object for RenderProcessHosts. Using this factory allows tests to
 // swap out a different one to use a TestRenderProcessHost.
 class RenderProcessHostFactory {
  public:
   virtual ~RenderProcessHostFactory() {}
   virtual RenderProcessHost* CreateRenderProcessHost(
       Profile* profile) const = 0;
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_H_