Cleanup: Remove unneeded includes of chrome_switches.h.

chrome/browser/history/history_backend_unittest.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 <set>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/history/history_backend.h"
 #include "chrome/browser/history/history_notifications.h"
 #include "chrome/browser/history/in_memory_history_backend.h"
 #include "chrome/browser/history/in_memory_database.h"
 #include "chrome/browser/history/top_sites.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/common/notification_details.h"
 #include "chrome/common/notification_source.h"
 #include "chrome/common/thumbnail_score.h"
 #include "chrome/tools/profiles/thumbnail-inl.h"
 #include "gfx/codec/jpeg_codec.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::Time;
 
@@ skipping 798 matching lines @@
 
   // Check visit_source table is created and empty.
   s.Assign(db.GetUniqueStatement(
       "SELECT name FROM sqlite_master WHERE name=\"visit_source\""));
   ASSERT_TRUE(s.Step());
   s.Assign(db.GetUniqueStatement("SELECT * FROM visit_source LIMIT 10"));
   EXPECT_FALSE(s.Step());
 }
 
 }  // namespace history