Move Extension into extensions namespace

chrome/browser/history/multipart_browsertest.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 "base/file_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
@@ skipping 13 matching lines @@
     if (params.should_update_history)
       update_history_count_++;
   }
 
   int did_navigate_any_frame_count_;
   int update_history_count_;
 };
 
 IN_PROC_BROWSER_TEST_F(MultipartResponseTest, SingleVisit) {
   // Make sure that visiting a multipart/x-mixed-replace site only
-  // creates one entry in the visits table. 
+  // creates one entry in the visits table.
   ASSERT_TRUE(test_server()->Start());
 
   Observe(browser()->GetSelectedWebContents());
   ui_test_utils::NavigateToURL(browser(), test_server()->GetURL("multipart"));
 
   EXPECT_EQ(ASCIIToUTF16("page 9"),
             browser()->GetSelectedWebContents()->GetTitle());
   EXPECT_EQ(1, update_history_count_);
   EXPECT_GT(did_navigate_any_frame_count_, update_history_count_);
 }