Removed unneeded includes of base/time.h.

chrome/test/tab_switching/tab_switching_test.cc

 // Copyright (c) 2006-2008 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/time.h"
 #include "chrome/app/chrome_dll_resource.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/automation/browser_proxy.h"
 #include "chrome/test/ui/ui_test.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/net_util.h"
 
@@ skipping 117 matching lines @@
 
  private:
   DISALLOW_EVIL_CONSTRUCTORS(TabSwitchingUITest);
 };
 
 }  // namespace
 
 TEST_F(TabSwitchingUITest, GenerateTabSwitchStats) {
   RunTabSwitchingUITest();
 }