[Garbled Text][Infobar] Adding infobar to suggest turning on encoding detection.

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.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/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h"
 
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/download/download_request_limiter.h"
 #include "chrome/browser/download/download_throttling_resource_handler.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
+#include "chrome/browser/garbled_text_url_tracker.h"
 #include "chrome/browser/instant/instant_loader.h"
 #include "chrome/browser/net/load_timing_observer.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_manager_factory.h"
 #include "chrome/browser/prerender/prerender_tracker.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/renderer_host/chrome_url_request_user_data.h"
 #include "chrome/browser/renderer_host/safe_browsing_resource_handler.h"
 #include "chrome/browser/renderer_host/transfer_navigation_resource_handler.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/ui/auto_login_prompter.h"
 #include "chrome/browser/ui/login/login_prompt.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/user_script.h"
 #include "chrome/common/render_messages.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
 #include "content/browser/renderer_host/resource_dispatcher_host_request_info.h"
 #include "content/browser/renderer_host/resource_message_filter.h"
 #include "content/browser/resource_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
+#include "content/public/common/resource_response.h"
 #include "net/base/load_flags.h"
 #include "net/base/ssl_config_service.h"
 
 // TODO(oshima): Enable this for other platforms.
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/renderer_host/offline_resource_handler.h"
 #endif
 
 using content::BrowserThread;
 using content::ResourceDispatcherHostLoginDelegate;
@@ skipping 279 matching lines @@
             info->route_id(), request->url().host()));
       }
     }
   }
 
   // See if the response contains the X-Auto-Login header.  If so, this was
   // a request for a login page, and the server is allowing the browser to
   // suggest auto-login, if available.
   AutoLoginPrompter::ShowInfoBarIfPossible(request, info->child_id(),
                                            info->route_id());
+
+  ProfileIOData* io_data = reinterpret_cast<ProfileIOData*>(
+      info->context()->GetUserData(NULL));
+  response->needs_encoding_detection =
+      io_data->garbled_text_url_tracker()->NeedsEncodingDetection(
+          request->url());
 }
 
 void ChromeResourceDispatcherHostDelegate::OnRequestRedirected(
     net::URLRequest* request,
     content::ResourceResponse* response,
     ResourceMessageFilter* filter) {
   LoadTimingObserver::PopulateTimingInfo(request, response);
 }