Enable handle verifier for tests and add some tests.

base/win/scoped_handle.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 BASE_WIN_SCOPED_HANDLE_H_
 #define BASE_WIN_SCOPED_HANDLE_H_
 
 #include <windows.h>
 
 #include "base/base_export.h"
+#include "base/gtest_prod_util.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/move.h"
 
 // TODO(rvargas): remove this with the rest of the verifier.
 #if defined(COMPILER_MSVC)
 #include <intrin.h>
 #define BASE_WIN_GET_CALLER _ReturnAddress()
 #elif defined(COMPILER_GCC)
@@ skipping 80 matching lines @@
     if (Traits::IsHandleValid(handle_)) {
       Verifier::StopTracking(handle_, this, BASE_WIN_GET_CALLER,
                              tracked_objects::GetProgramCounter());
 
       Traits::CloseHandle(handle_);
       handle_ = Traits::NullHandle();
     }
   }
 
  private:
+  FRIEND_TEST_ALL_PREFIXES(ScopedHandleTest, ActiveVerifierWrongOwner);
+  FRIEND_TEST_ALL_PREFIXES(ScopedHandleTest, ActiveVerifierUntrackedHandle);
   Handle handle_;
 };
 
 #undef BASE_WIN_GET_CALLER
 
 // The traits class for Win32 handles that can be closed via CloseHandle() API.
 class HandleTraits {
  public:
   typedef HANDLE Handle;
 
@@ skipping 52 matching lines @@
 // This should be called whenever the OS is closing a handle, if extended
 // verification of improper handle closing is desired. If |handle| is being
 // tracked by the handle verifier and ScopedHandle is not the one closing it,
 // a CHECK is generated.
 void BASE_EXPORT OnHandleBeingClosed(HANDLE handle);
 
 }  // namespace win
 }  // namespace base
 
 #endif  // BASE_WIN_SCOPED_HANDLE_H_