Support auto-reload on errors.

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 870b7a343ea0929f3c26459f7398182068edf139..1eb7fa9eeeaef090feb1c6c2a3c5ef0eeef08add 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -351,6 +351,10 @@ void ChromeContentRendererClient::RenderThreadStarted() {
   WebSecurityPolicy::registerURLSchemeAsBypassingContentSecurityPolicy(
       extension_resource_scheme);
 
+  auto_reload_enabled_ =
+      command_line->HasSwitch(switches::kEnableOfflineAutoReload);
+  LOG(ERROR) << "CCRC: auto_reload_enabled_ = " << auto_reload_enabled_;
+
   extensions::ExtensionsClient::Set(
       extensions::ChromeExtensionsClient::GetInstance());
 }
@@ -386,7 +390,8 @@ void ChromeContentRendererClient::RenderFrameCreated(
   if (render_frame->GetRenderView()->GetMainRenderFrame() == render_frame) {
     // Only attach NetErrorHelper to the main frame, since only the main frame
     // should get error pages.
-    new NetErrorHelper(render_frame);
+    main_frame_net_error_helper_ = new NetErrorHelper(render_frame,
+                                                      auto_reload_enabled_);
   }
 }
 
@@ -968,6 +973,9 @@ bool ChromeContentRendererClient::HasErrorPage(int http_status_code,
 bool ChromeContentRendererClient::ShouldSuppressErrorPage(
     content::RenderFrame* render_frame,
     const GURL& url) {
+  if (render_frame->GetRenderView()->GetMainRenderFrame() == render_frame
+      && main_frame_net_error_helper_->ShouldSuppressErrorPage(url))
+    return true;

[mmenke, 2014/02/25 22:09:52]

This isn't right.  There's only one ContentRendererClient per renderer process,
not per RenderView.

You should use NetErrorHelper::Get(render_view->GetMainRenderFrame())

[Randy Smith (Not in Mondays), 2014/02/26 00:07:38]

+1.

[Elly Fong-Jones, 2014/03/03 19:31:07]

Done.

[Elly Fong-Jones, 2014/03/03 19:31:07]

Done.

   // Do not flash an error page if the Instant new tab page fails to load.
   return search_bouncer_.get() && search_bouncer_->IsNewTabPage(url);
 }