Make all tests use GetActiveDesktop() instead of hardcoding HOST_DESKTOP_TYPE_NATIVE.

chrome/browser/performance_monitor/performance_monitor_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/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/sequenced_worker_pool.h"
@@ skipping 356 matching lines @@
     // in the message loop to delete itself, which frees the Browser object
     // which fires this event.
     AutoreleasePool()->Recycle();
 #endif
     observer.Wait();
 
     // Create a new window, which should trigger session restore.
     content::TestNavigationObserver restore_observer(NULL, expected_tab_count);
     restore_observer.StartWatchingNewWebContents();
     ui_test_utils::BrowserAddedObserver window_observer;
-    chrome::NewEmptyWindow(profile, chrome::HOST_DESKTOP_TYPE_NATIVE);
+    chrome::NewEmptyWindow(profile, chrome::GetActiveDesktop());
     Browser* new_browser = window_observer.WaitForSingleNewBrowser();
     restore_observer.Wait();
     g_browser_process->ReleaseModule();
 
     return new_browser;
   }
 };
 
 // Test that PerformanceMonitor will correctly record an extension installation
 // event.
@@ skipping 402 matching lines @@
       test_server()->GetURL(std::string("files/").append("title2.html")));
 
   performance_monitor()->DoTimedCollections();
 
   metrics = GetStats(METRIC_NETWORK_BYTES_READ);
   ASSERT_EQ(2u, metrics.size());
   EXPECT_GE(metrics[1].value, page1_size + page2_size);
 }
 
 }  // namespace performance_monitor