Remove useless TabDragController::detach_behavior_ and TabDragController::detach_into_browser_

chrome/browser/ui/tabs/test_tab_strip_model_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/ui/tabs/test_tab_strip_model_delegate.h"
 
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
 
 TestTabStripModelDelegate::TestTabStripModelDelegate() {
@@ skipping 26 matching lines @@
   return 0;
 }
 
 bool TestTabStripModelDelegate::CanDuplicateContentsAt(int index) {
   return false;
 }
 
 void TestTabStripModelDelegate::DuplicateContentsAt(int index) {
 }
 
-void TestTabStripModelDelegate::CloseFrameAfterDragSession() {
-}
-
 void TestTabStripModelDelegate::CreateHistoricalTab(
     content::WebContents* contents) {
 }
 
 bool TestTabStripModelDelegate::ShouldRunUnloadListenerBeforeClosing(
     content::WebContents* contents) {
   return false;
 }
 
 bool TestTabStripModelDelegate::RunUnloadListenerBeforeClosing(
     content::WebContents* contents) {
   return true;
 }
 
 TabStripModelDelegate::RestoreTabType
 TestTabStripModelDelegate::GetRestoreTabType() {
   return TabStripModelDelegate::RESTORE_NONE;
 }
 
 void TestTabStripModelDelegate::RestoreTab() {
 }
 
 bool TestTabStripModelDelegate::CanBookmarkAllTabs() const {
   return true;
 }
 
 void TestTabStripModelDelegate::BookmarkAllTabs() {
 }