Enable captive portal detection by default.

chrome/test/base/in_process_browser_test.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/test/base/in_process_browser_test.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/stack_trace.h"
@@ skipping 163 matching lines @@
   subprocess_path =
       subprocess_path.Append(chrome::kHelperProcessExecutablePath);
   command_line->AppendSwitchPath(switches::kBrowserSubprocessPath,
                                  subprocess_path);
 #endif
 
   // TODO(pkotwicz): Investigate if we can remove this switch.
   command_line->AppendSwitch(switches::kDisableZeroBrowsersOpenForTests);
 
   if (!command_line->HasSwitch(switches::kHomePage)) {
-      command_line->AppendSwitchASCII(
-          switches::kHomePage, chrome::kAboutBlankURL);
+    command_line->AppendSwitchASCII(
+        switches::kHomePage, chrome::kAboutBlankURL);
   }
   if (command_line->GetArgs().empty())
     command_line->AppendArg(chrome::kAboutBlankURL);
 }
 
 bool InProcessBrowserTest::CreateUserDataDirectory() {
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   FilePath user_data_dir =
       command_line->GetSwitchValuePath(switches::kUserDataDir);
   if (user_data_dir.empty()) {
@@ skipping 199 matching lines @@
   // On the Mac, this eventually reaches
   // -[BrowserWindowController windowWillClose:], which will post a deferred
   // -autorelease on itself to ultimately destroy the Browser object. The line
   // below is necessary to pump these pending messages to ensure all Browsers
   // get deleted.
   ui_test_utils::RunAllPendingInMessageLoop();
   delete autorelease_pool_;
   autorelease_pool_ = NULL;
 #endif
 }