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

chrome/browser/renderer_host/render_view_host.cc

 // 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.
 
 #include "chrome/browser/renderer_host/render_view_host.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 121 matching lines @@
       suspended_nav_message_(NULL),
       run_modal_reply_msg_(NULL),
       is_waiting_for_beforeunload_ack_(false),
       is_waiting_for_unload_ack_(false),
       unload_ack_is_for_cross_site_transition_(false),
       are_javascript_messages_suppressed_(false),
       sudden_termination_allowed_(false),
       session_storage_namespace_(session_storage),
       is_extension_process_(false),
       autofill_query_id_(0),
-      save_accessibility_tree_for_testing_(false) {
+      save_accessibility_tree_for_testing_(false),
+      render_view_termination_status_(base::TERMINATION_STATUS_STILL_RUNNING) {
   if (!session_storage_namespace_) {
     session_storage_namespace_ =
         new SessionStorageNamespace(process()->profile());
   }
 
   DCHECK(instance_);
   DCHECK(delegate_);
 }
 
 RenderViewHost::~RenderViewHost() {
@@ skipping 833 matching lines @@
 
 void RenderViewHost::OnMsgRunModal(IPC::Message* reply_msg) {
   DCHECK(!run_modal_reply_msg_);
   run_modal_reply_msg_ = reply_msg;
 
   // TODO(darin): Bug 1107929: Need to inform our delegate to show this view in
   // an app-modal fashion.
 }
 
 void RenderViewHost::OnMsgRenderViewReady() {
+  render_view_termination_status_ = base::TERMINATION_STATUS_STILL_RUNNING;
   WasResized();
   delegate_->RenderViewReady(this);
 }
 
-void RenderViewHost::OnMsgRenderViewGone() {
+void RenderViewHost::OnMsgRenderViewGone(int status, int exit_code) {
+  // Keep the termination status so we can get at it later when we
+  // need to know why it died.
+  render_view_termination_status_ =
+      static_cast<base::TerminationStatus>(status);
+
   // Our base class RenderWidgetHost needs to reset some stuff.
-  RendererExited();
+  RendererExited(render_view_termination_status_, exit_code);
 
-  delegate_->RenderViewGone(this);
+  delegate_->RenderViewGone(this,
+                            static_cast<base::TerminationStatus>(status),
+                            exit_code);
 }
 
 // Called when the renderer navigates.  For every frame loaded, we'll get this
 // notification containing parameters identifying the navigation.
 //
 // Subframes are identified by the page transition type.  For subframes loaded
 // as part of a wider page load, the page_id will be the same as for the top
 // level frame.  If the user explicitly requests a subframe navigation, we will
 // get a new page_id because we need to create a new navigation entry for that
 // action.
@@ skipping 1223 matching lines @@
   if (printer_query.get()) {
       BrowserThread::PostTask(
           BrowserThread::IO, FROM_HERE,
           NewRunnableMethod(printer_query.get(),
                             &printing::PrinterQuery::StopWorker));
   }
 
   // Send the printingDone msg for now.
   Send(new ViewMsg_PrintingDone(routing_id(), -1, true));
 }