Move alternate 404 error page loading out of WebFrame and into RenderView....

chrome/renderer/navigation_state.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_RENDERER_NAVIGATION_STATE_H_
 #define CHROME_RENDERER_NAVIGATION_STATE_H_
 
 #include "base/scoped_ptr.h"
 #include "base/time.h"
 #include "chrome/common/page_transition_types.h"
@@ skipping 126 matching lines @@
     alt_error_page_fetcher_.reset(f);
   }
 
   const std::string& security_info() const {
     return security_info_;
   }
   void set_security_info(const std::string& security_info) {
     security_info_ = security_info;
   }
 
+  bool postpone_loading_data() const {
+    return postpone_loading_data_;
+  }
+  void set_postpone_loading_data(bool postpone_loading_data) {
+    postpone_loading_data_ = postpone_loading_data;
+  }
+
+  void clear_postponed_data() {
+    postponed_data_.clear();
+  }
+  void append_postponed_data(const char* data, size_t data_len) {
+    postponed_data_.append(data, data_len);
+  }
+  const std::string& postponed_data() const {
+    return postponed_data_;
+  }
+
  private:
   NavigationState(PageTransition::Type transition_type,
                   const base::Time& request_time,
                   bool is_content_initiated,
                   int32 pending_page_id)
       : transition_type_(transition_type),
         request_time_(request_time),
         load_histograms_recorded_(false),
         request_committed_(false),
         is_content_initiated_(is_content_initiated),
-        pending_page_id_(pending_page_id) {
+        pending_page_id_(pending_page_id),
+        postpone_loading_data_(false) {
   }
 
   PageTransition::Type transition_type_;
   base::Time request_time_;
   base::Time start_load_time_;
   base::Time commit_load_time_;
   base::Time finish_document_load_time_;
   base::Time finish_load_time_;
   base::Time first_paint_time_;
   base::Time first_paint_after_load_time_;
   bool load_histograms_recorded_;
   bool request_committed_;
   bool is_content_initiated_;
   int32 pending_page_id_;
   scoped_ptr<webkit_glue::SearchableFormData> searchable_form_data_;
   scoped_ptr<webkit_glue::PasswordForm> password_form_data_;
   scoped_ptr<webkit_glue::AltErrorPageResourceFetcher> alt_error_page_fetcher_;
   std::string security_info_;
+  bool postpone_loading_data_;
+  std::string postponed_data_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationState);
 };
 
 #endif  // CHROME_RENDERER_NAVIGATION_STATE_H_