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

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

Index: chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
diff --git a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
index f4f57aea3a206803283fafa994f35f4d8c9c6e97..c3753f74093883dc208f91c15853b1939f289650 100644
--- a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
+++ b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
@@ -11,6 +11,7 @@
 #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"
@@ -33,6 +34,7 @@
 #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"
 
@@ -332,6 +334,12 @@ void ChromeResourceDispatcherHostDelegate::OnResponseStarted(
   // 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(