Revert r115276, it broke PanelDownloadTest.Download in interactive_ui_tests

chrome/browser/ui/search_engines/search_engine_tab_helper.cc

Index: chrome/browser/ui/search_engines/search_engine_tab_helper.cc
diff --git a/chrome/browser/ui/search_engines/search_engine_tab_helper.cc b/chrome/browser/ui/search_engines/search_engine_tab_helper.cc
index 5ba0c112b1e505f06971336972899d551abe7910..278008cf7dba9b19a3b51bfc2e18f71b926a1463 100644
--- a/chrome/browser/ui/search_engines/search_engine_tab_helper.cc
+++ b/chrome/browser/ui/search_engines/search_engine_tab_helper.cc
@@ -86,7 +86,7 @@ void SearchEngineTabHelper::OnPageHasOSDD(
       return;
   }
 
-  const NavigationController& controller = tab_contents()->GetController();
+  const NavigationController& controller = tab_contents()->controller();
   const NavigationEntry* entry = controller.GetLastCommittedEntry();
   DCHECK(entry);
 
@@ -136,7 +136,7 @@ void SearchEngineTabHelper::GenerateKeywordIfNecessary(
   if (profile->IsOffTheRecord())
     return;
 
-  const NavigationController& controller = tab_contents()->GetController();
+  const NavigationController& controller = tab_contents()->controller();
   int last_index = controller.last_committed_entry_index();
   // When there was no previous page, the last index will be 0. This is
   // normally due to a form submit that opened in a new tab.