Reland "Fix sandbox::PolicyBase leak"

sandbox/win/tests/common/controller.h

 // 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.
 
 #ifndef SANDBOX_WIN_TESTS_COMMON_CONTROLLER_H_
 #define SANDBOX_WIN_TESTS_COMMON_CONTROLLER_H_
 
 #include <windows.h>
 #include <string>
 
@@ skipping 125 matching lines @@
   // Initializes the data in the object. Sets is_init_ to tree if the
   // function succeeds. This is meant to be called from the constructor.
   void Init(JobLevel job_level,
             TokenLevel startup_token,
             TokenLevel main_token);
 
   // The actual runner.
   int InternalRunTest(const wchar_t* command);
 
   BrokerServices* broker_;
-  TargetPolicy* policy_;
+  scoped_refptr<TargetPolicy> policy_;
   DWORD timeout_;
   SboxTestsState state_;
   bool is_init_;
   bool is_async_;
   bool no_sandbox_;
   bool disable_csrss_;
   bool kill_on_destruction_;
   bool release_policy_in_run_ = false;
   base::win::ScopedHandle target_process_;
   DWORD target_process_id_;
@@ skipping 11 matching lines @@
 // Constructs a full path to a file inside the system32 (or syswow64) folder
 // depending on whether process is running in wow64 or not.
 base::string16 MakePathToSys(const wchar_t* name, bool is_obj_man_path);
 
 // Runs the given test on the target process.
 int DispatchCall(int argc, wchar_t **argv);
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_WIN_TESTS_COMMON_CONTROLLER_H_