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

chrome/browser/chrome_browser_main.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/chrome_browser_main.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 1051 matching lines @@
     chrome_extra_parts_[i]->PostBrowserStart();
 #if !defined(OS_ANDROID)
   // Allow ProcessSingleton to process messages.
   process_singleton_->Unlock();
 #endif
 }
 
 #if !defined(OS_ANDROID)
 void ChromeBrowserMainParts::RunPageCycler() {
   CommandLine* command_line = CommandLine::ForCurrentProcess();
-  // We assume a native desktop for tests, but we will need to find a way to
-  // get the proper host desktop type once we start running these tests in ASH.
-  Browser* browser = chrome::FindBrowserWithProfile(
-      profile_, chrome::HOST_DESKTOP_TYPE_NATIVE);
+  Browser* browser = chrome::FindBrowserWithProfile(profile_,
+                                                    chrome::GetActiveDesktop());
   DCHECK(browser);
   PageCycler* page_cycler = NULL;
   base::FilePath input_file =
       command_line->GetSwitchValuePath(switches::kVisitURLs);
   page_cycler = new PageCycler(browser, input_file);
   page_cycler->set_errors_file(
       input_file.AddExtension(FILE_PATH_LITERAL(".errors")));
   if (command_line->HasSwitch(switches::kRecordStats)) {
     page_cycler->set_stats_file(
         command_line->GetSwitchValuePath(switches::kRecordStats));
@@ skipping 687 matching lines @@
     if (base::win::GetVersion() <= base::win::VERSION_XP)
       uma_name += "_XP";
 
     uma_name += "_PreRead_";
     uma_name += pre_read_percentage;
     AddPreReadHistogramTime(uma_name.c_str(), time);
   }
 #endif
 #endif
 }