Add error description to the DidFailProvisionalLoad callback.

chrome/renderer/chrome_content_renderer_client.h

 // Copyright (c) 2011 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_CHROME_CONTENT_RENDERER_CLIENT_H_
 #define CHROME_RENDERER_CHROME_CONTENT_RENDERER_CLIENT_H_
 #pragma once
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/string16.h"
 #include "content/public/renderer/content_renderer_client.h"
 
 class ChromeRenderProcessObserver;
 class ExtensionDispatcher;
 class RendererHistogramSnapshots;
 class RendererNetPredictor;
 class SpellCheck;
 class SpellCheckProvider;
 class VisitedLinkSlave;
 
@@ skipping 20 matching lines @@
   virtual void SetNumberOfViews(int number_of_views) OVERRIDE;
   virtual SkBitmap* GetSadPluginBitmap() OVERRIDE;
   virtual std::string GetDefaultEncoding() OVERRIDE;
   virtual bool OverrideCreatePlugin(
       content::RenderView* render_view,
       WebKit::WebFrame* frame,
       const WebKit::WebPluginParams& params,
       WebKit::WebPlugin** plugin) OVERRIDE;
   virtual bool HasErrorPage(int http_status_code,
                             std::string* error_domain) OVERRIDE;
-  virtual std::string GetNavigationErrorHtml(
+  virtual void GetNavigationErrorStrings(
       const WebKit::WebURLRequest& failed_request,
-      const WebKit::WebURLError& error) OVERRIDE;
+      const WebKit::WebURLError& error,
+      std::string* error_html,
+      string16* error_description) OVERRIDE;
   virtual bool RunIdleHandlerWhenWidgetsHidden() OVERRIDE;
   virtual bool AllowPopup(const GURL& creator) OVERRIDE;
   virtual bool ShouldFork(WebKit::WebFrame* frame,
                           const GURL& url,
                           bool is_content_initiated,
                           bool is_initial_navigation,
                           bool* send_referrer) OVERRIDE;
   virtual bool WillSendRequest(WebKit::WebFrame* frame,
                                const GURL& url,
                                GURL* new_url) OVERRIDE;
@@ skipping 59 matching lines @@
   // The SpellCheckProvider is a RenderViewObserver, and handles its own
   // destruction.
   SpellCheckProvider* spellcheck_provider_;
   scoped_ptr<VisitedLinkSlave> visited_link_slave_;
   scoped_ptr<safe_browsing::PhishingClassifierFilter> phishing_classifier_;
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_RENDERER_CHROME_CONTENT_RENDERER_CLIENT_H_