Make automation proxy objects to ref_counted. That allows to process async no...

chrome/test/tab_switching/tab_switching_test.cc

 // Copyright (c) 2006-2008 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/file_util.h"
 #include "chrome/app/chrome_dll_resource.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
@@ skipping 21 matching lines @@
     file_util::UpOneDirectory(&path_prefix_);
     file_util::AppendToPath(&path_prefix_, L"data");
     file_util::AppendToPath(&path_prefix_, L"tab_switching");
     path_prefix_ += FilePath::kSeparators[0];
 
     show_window_ = true;
   }
 
   void RunTabSwitchingUITest() {
     // Create a browser proxy.
-    browser_proxy_.reset(automation()->GetBrowserWindow(0));
+    browser_proxy_ = automation()->GetBrowserWindow(0);
 
     // Open all the tabs.
     int initial_tab_count = 0;
     ASSERT_TRUE(browser_proxy_->GetTabCount(&initial_tab_count));
     int new_tab_count = OpenTabs();
     ASSERT_TRUE(browser_proxy_->WaitForTabCountToBecome(
         initial_tab_count + new_tab_count, 10000));
 
     // Switch linearly between tabs.
     browser_proxy_->ActivateTab(0);
@@ skipping 68 matching lines @@
       file_name = file_name.AppendASCII("index.html");
       browser_proxy_->AppendTab(net::FilePathToFileURL(file_name));
       number_of_new_tabs_opened++;
     }
 
     return number_of_new_tabs_opened;
   }
 
   std::wstring path_prefix_;
   int number_of_tabs_to_open_;
-  scoped_ptr<BrowserProxy> browser_proxy_;
+  scoped_refptr<BrowserProxy> browser_proxy_;
 
  private:
   DISALLOW_EVIL_CONSTRUCTORS(TabSwitchingUITest);
 };
 
 }  // namespace
 
 TEST_F(TabSwitchingUITest, GenerateTabSwitchStats) {
   RunTabSwitchingUITest();
 }