Support auto-reload on errors.

chrome/renderer/chrome_content_renderer_client.cc

 // Copyright (c) 2012 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/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 333 matching lines @@
   // requests.
   WebSecurityPolicy::registerURLSchemeAsCORSEnabled(extension_resource_scheme);
 
   // chrome-extension: resources should bypass Content Security Policy checks
   // when included in protected resources.
   WebSecurityPolicy::registerURLSchemeAsBypassingContentSecurityPolicy(
       extension_scheme);
   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());
 }
 
 void ChromeContentRendererClient::RenderFrameCreated(
     content::RenderFrame* render_frame) {
   new ChromeRenderFrameObserver(render_frame);
 
   ContentSettingsObserver* content_settings =
       new ContentSettingsObserver(render_frame, extension_dispatcher_.get());
@@ skipping 15 matching lines @@
     // they're prerendering.
     if (prerender::PrerenderHelper::IsPrerendering(
             render_frame->GetRenderView()->GetMainRenderFrame())) {
       new prerender::PrerenderHelper(render_frame);
     }
   }
 
   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_);
   }
 }
 
 void ChromeContentRendererClient::RenderViewCreated(
     content::RenderView* render_view) {
   new extensions::ExtensionHelper(render_view, extension_dispatcher_.get());
   new PageLoadHistograms(render_view);
 #if defined(ENABLE_PRINTING)
   new printing::PrintWebViewHelper(render_view);
 #endif
@@ skipping 561 matching lines @@
     return false;
   }
 
   *error_domain = LocalizedError::kHttpErrorDomain;
   return true;
 }
 
 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);
 }
 
 void ChromeContentRendererClient::GetNavigationErrorStrings(
     content::RenderView* render_view,
     blink::WebFrame* frame,
     const blink::WebURLRequest& failed_request,
     const blink::WebURLError& error,
     std::string* error_html,
@@ skipping 436 matching lines @@
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   return !command_line->HasSwitch(extensions::switches::kExtensionProcess);
 }
 
 blink::WebWorkerPermissionClientProxy*
 ChromeContentRendererClient::CreateWorkerPermissionClientProxy(
     content::RenderFrame* render_frame,
     blink::WebFrame* frame) {
   return new WorkerPermissionClientProxy(render_frame, frame);
 }