Refactored the CloudPolicyProvider so that it becomes initialized once and stays initialized.

chrome/test/base/in_process_browser_test.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/test/base/in_process_browser_test.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/stack_trace.h"
@@ skipping 158 matching lines @@
   command_line->AppendSwitchPath(switches::kBrowserSubprocessPath,
                                  subprocess_path);
 #endif
 
   // If neccessary, disable TabCloseableStateWatcher.
   if (!tab_closeable_state_watcher_enabled_)
     command_line->AppendSwitch(switches::kDisableTabCloseableStateWatcher);
 
   // TODO(pkotwicz): Investigate if we can remove this switch.
   command_line->AppendSwitch(switches::kDisableZeroBrowsersOpenForTests);
+
+#if defined(OS_CHROMEOS)
+  // Setup a bogus device management URL, so that the cloud policy providers
+  // are created. This doesn't have to be a real server.
+  command_line->AppendSwitchASCII(switches::kDeviceManagementUrl,
+                                  "http://localhost:8080/device_management");
+  command_line->AppendSwitch(switches::kEnableDevicePolicy);
+#endif
 }
 
 bool InProcessBrowserTest::CreateUserDataDirectory() {
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   FilePath user_data_dir =
       command_line->GetSwitchValuePath(switches::kUserDataDir);
   if (user_data_dir.empty()) {
     if (temp_user_data_dir_.CreateUniqueTempDir() &&
         temp_user_data_dir_.IsValid()) {
       user_data_dir = temp_user_data_dir_.path();
@@ skipping 156 matching lines @@
   if (BrowserList::size() == 0)
     return;
 
   // Invoke CloseAllBrowsersAndMayExit on a running message loop.
   // CloseAllBrowsersAndMayExit exits the message loop after everything has been
   // shut down properly.
   MessageLoopForUI::current()->PostTask(FROM_HERE,
                                         base::Bind(&BrowserList::AttemptExit));
   ui_test_utils::RunMessageLoop();
 }