Always load signin profile on Chrome OS startup.

chrome/browser/extensions/extension_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 "chrome/browser/extensions/extension_browsertest.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 41 matching lines @@
 #endif
 
 using extensions::Extension;
 using extensions::ExtensionCreator;
 using extensions::FeatureSwitch;
 using extensions::Manifest;
 
 ExtensionBrowserTest::ExtensionBrowserTest()
     : loaded_(false),
       installed_(false),
-#if defined(OS_CHROMEOS)
-      set_chromeos_user_(true),
-#endif
       // Default channel is STABLE but override with UNKNOWN so that unlaunched
       // or incomplete APIs can write tests.
       current_channel_(chrome::VersionInfo::CHANNEL_UNKNOWN),
       override_prompt_for_external_extensions_(
           FeatureSwitch::prompt_for_external_extensions(),
           false),
       profile_(NULL) {
   EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
 }
 
@@ skipping 25 matching lines @@
 }
 
 void ExtensionBrowserTest::SetUp() {
   test_extension_cache_.reset(new extensions::ExtensionCacheFake());
   InProcessBrowserTest::SetUp();
 }
 
 void ExtensionBrowserTest::SetUpCommandLine(CommandLine* command_line) {
   PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir_);
   test_data_dir_ = test_data_dir_.AppendASCII("extensions");
-  observer_.reset(new ExtensionTestNotificationObserver(browser()));
-
-#if defined(OS_CHROMEOS)
-  if (set_chromeos_user_) {
-    // This makes sure that we create the Default profile first, with no
-    // ExtensionService and then the real profile with one, as we do when
-    // running on chromeos.
-    command_line->AppendSwitchASCII(chromeos::switches::kLoginUser,
-                                    "TestUser@gmail.com");
-    command_line->AppendSwitchASCII(chromeos::switches::kLoginProfile, "user");
-  }
-#endif
 }
 
 void ExtensionBrowserTest::SetUpOnMainThread() {
   InProcessBrowserTest::SetUpOnMainThread();
   observer_.reset(new ExtensionTestNotificationObserver(browser()));
 }
 
 const Extension* ExtensionBrowserTest::LoadExtension(
     const base::FilePath& path) {
   return LoadExtensionWithFlags(path, kFlagEnableFileAccess);
@@ skipping 484 matching lines @@
   return extensions::browsertest_util::ExecuteScriptInBackgroundPage(
       profile(), extension_id, script);
 }
 
 bool ExtensionBrowserTest::ExecuteScriptInBackgroundPageNoWait(
     const std::string& extension_id,
     const std::string& script) {
   return extensions::browsertest_util::ExecuteScriptInBackgroundPageNoWait(
       profile(), extension_id, script);
 }