Handle empty error pages in DidFinishDocumentLoad

content/renderer/internal_document_state_data.h

Index: content/renderer/internal_document_state_data.h
diff --git a/content/renderer/internal_document_state_data.h b/content/renderer/internal_document_state_data.h
index 27567c8fe50da3cc5697b2ef6a7d55bfd5a07e29..93f9dd5b51f21f88b1376a3a2ab47af97eaaadef 100644
--- a/content/renderer/internal_document_state_data.h
+++ b/content/renderer/internal_document_state_data.h
@@ -51,13 +51,6 @@ class InternalDocumentStateData : public base::SupportsUserData::Data {
     searchable_form_encoding_ = encoding;
   }
 
-  // True if an error page should be used, if the http status code also
-  // indicates an error.
-  bool use_error_page() const { return use_error_page_; }
-  void set_use_error_page(bool use_error_page) {
-    use_error_page_ = use_error_page;
-  }
-
   // True if the user agent was overridden for this page.
   bool is_overriding_user_agent() const { return is_overriding_user_agent_; }
   void set_is_overriding_user_agent(bool state) {
@@ -101,7 +94,6 @@ class InternalDocumentStateData : public base::SupportsUserData::Data {
   int http_status_code_;
   GURL searchable_form_url_;
   std::string searchable_form_encoding_;
-  bool use_error_page_;
   bool is_overriding_user_agent_;
   bool must_reset_scroll_and_scale_state_;
   bool cache_policy_override_set_;