Speculative revert to see if this change introduced a performance regression on Mac intl perf bots.

chrome/browser/ui/android/tab_restore_service_delegate_android.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/sessions/tab_restore_service_delegate.h"
 
 #include "content/public/browser/navigation_controller.h"
 
 // static
-TabRestoreServiceDelegate*
-    TabRestoreServiceDelegate::FindDelegateForWebContents(
-        const content::WebContents* contents) {
+TabRestoreServiceDelegate* TabRestoreServiceDelegate::FindDelegateForController(
+    const content::NavigationController* controller,
+    int* index) {
   // We don't restore tabs using TabRestoreService yet.
   return NULL;
 }