Support auto-reload on errors.

chrome/renderer/net/net_error_helper.h

Index: chrome/renderer/net/net_error_helper.h
diff --git a/chrome/renderer/net/net_error_helper.h b/chrome/renderer/net/net_error_helper.h
index 9e9c3128834f1f18285c6f305684afff5a210cb1..f8b23ed0bf5c162eee8c4ce90071b551af439fa5 100644
--- a/chrome/renderer/net/net_error_helper.h
+++ b/chrome/renderer/net/net_error_helper.h
@@ -13,6 +13,7 @@
 #include "chrome/renderer/net/net_error_helper_core.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_frame_observer_tracker.h"
+#include "content/public/renderer/render_process_observer.h"
 
 class GURL;
 
@@ -32,6 +33,7 @@ struct WebURLError;
 class NetErrorHelper
     : public content::RenderFrameObserver,
       public content::RenderFrameObserverTracker<NetErrorHelper>,
+      public content::RenderProcessObserver,
       public NetErrorHelperCore::Delegate {
  public:
   explicit NetErrorHelper(content::RenderFrame* render_view);
@@ -46,6 +48,9 @@ class NetErrorHelper
   // IPC::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
+  // RenderProcessObserver implementation.
+  virtual void NetworkStateChanged(bool online) OVERRIDE;
+
   // Examines |frame| and |error| to see if this is an error worthy of a DNS
   // probe.  If it is, initializes |error_strings| based on |error|,
   // |is_failed_post|, and |locale| with suitable strings and returns true.
@@ -59,6 +64,10 @@ class NetErrorHelper
                     bool is_failed_post,
                     std::string* error_html);
 
+  // Returns whether a load for |url| in |frame| should have its error page
+  // suppressed.
+  bool ShouldSuppressErrorPage(blink::WebFrame* frame, const GURL& url);
+
  private:
   // NetErrorHelperCore::Delegate implementation:
   virtual void GenerateLocalizedErrorPage(
@@ -74,6 +83,7 @@ class NetErrorHelper
       const GURL& navigation_correction_url,
       const std::string& navigation_correction_request_body) OVERRIDE;
   virtual void CancelFetchNavigationCorrections() OVERRIDE;
+  virtual void ReloadPage() OVERRIDE;
 
   void OnNetErrorInfo(int status);
   void OnSetNavigationCorrectionInfo(const GURL& navigation_correction_url,