Move some misc thread-related stuff from base to base/thread and into the bas...

chrome/browser/printing/printing_layout_uitest.cc

 // Copyright (c) 2010 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 "base/command_line.h"
 #include "base/file_util.h"
-#include "base/simple_thread.h"
 #include "base/test/test_file_util.h"
+#include "base/threading/simple_thread.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/ui/ui_test.h"
 #include "net/test/test_server.h"
 #include "printing/image.h"
 #include "printing/printing_test.h"
 
 namespace {
 
 using printing::Image;
 
@@ skipping 395 matching lines @@
 
     // Force a navigation elsewhere to verify that it's fine with it.
     url = test_server.GetURL("files/printing/test1.html");
     EXPECT_EQ(AUTOMATION_MSG_NAVIGATION_SUCCESS,
               tab_proxy->NavigateToURL(url));
   }
   CloseBrowserAndServer();
 
   EXPECT_EQ(0., CompareWithResult(L"iframe")) << L"iframe";
 }