Make content_shell handle renderers going away. I've made TabContents call TabContentsView::OnTab...

chrome/browser/ui/tab_contents/tab_contents_wrapper.cc

 // 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.
 
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 
 #include "base/utf_string_conversions.h"
 
 #include "base/lazy_instance.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/autocomplete_history_manager.h"
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/automation/automation_tab_helper.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/download/download_request_limiter_observer.h"
 #include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/extensions/extension_webnavigation_api.h"
 #include "chrome/browser/external_protocol/external_protocol_observer.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/history/history_tab_helper.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/omnibox_search_hint.h"
@@ skipping 513 matching lines @@
   return Profile::FromBrowserContext(tab_contents()->browser_context());
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // TabContentsWrapper implementation:
 
 void TabContentsWrapper::RenderViewCreated(RenderViewHost* render_view_host) {
   UpdateAlternateErrorPageURL(render_view_host);
 }
 
-void TabContentsWrapper::RenderViewGone() {
-  // Tell the view that we've crashed so it can prepare the sad tab page.
-  // Only do this if we're not in browser shutdown, so that TabContents
-  // objects that are not in a browser (e.g., HTML dialogs) and thus are
-  // visible do not flash a sad tab page.
-  if (browser_shutdown::GetShutdownType() == browser_shutdown::NOT_VALID) {
-    tab_contents()->view()->OnTabCrashed(
-        tab_contents()->crashed_status(), tab_contents()->crashed_error_code());
-  }
-}
-
 void TabContentsWrapper::DidBecomeSelected() {
   WebCacheManager::GetInstance()->ObserveActivity(
       tab_contents()->GetRenderProcessHost()->id());
 }
 
 bool TabContentsWrapper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(TabContentsWrapper, message)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_Snapshot, OnSnapshot)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PDFHasUnsupportedFeature,
@@ skipping 111 matching lines @@
   }
   render_view_host()->Send(
       new ChromeViewMsg_SetClientSidePhishingDetection(routing_id(),
                                                        safe_browsing));
 #endif
 }
 
 void TabContentsWrapper::ExitFullscreenMode() {
   tab_contents()->render_view_host()->ExitFullscreen();
 }