Remove HostDesktopType from BrowserList::GetInstance()

chrome/browser/chromeos/policy/user_cloud_policy_manager_chromeos_browsertest.cc

 // Copyright 2014 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 <string>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
@@ skipping 25 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(UserCloudPolicyManagerTest);
 };
 
 IN_PROC_BROWSER_TEST_F(UserCloudPolicyManagerTest, StartSession) {
   const char* const kStartupURLs[] = {"chrome://policy", "chrome://about"};
 
   SkipToLoginScreen();
   LogIn(kAccountId, kAccountPassword);
 
   // Check that the startup pages specified in policy were opened.
-  BrowserList* browser_list =
-      BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
+  BrowserList* browser_list = BrowserList::GetInstance();
   EXPECT_EQ(1U, browser_list->size());
   Browser* browser = browser_list->get(0);
   ASSERT_TRUE(browser);
 
   TabStripModel* tabs = browser->tab_strip_model();
   ASSERT_TRUE(tabs);
   const int expected_tab_count = static_cast<int>(arraysize(kStartupURLs));
   EXPECT_EQ(expected_tab_count, tabs->count());
   for (int i = 0; i < expected_tab_count && i < tabs->count(); ++i) {
     EXPECT_EQ(GURL(kStartupURLs[i]),
               tabs->GetWebContentsAt(i)->GetVisibleURL());
   }
 }
 
 }  // namespace policy