Add a sandbox API for broker handle duplication

sandbox/sandbox.gyp

-# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'target_defaults': {
     'variables': {
       'sandbox_windows_target': 0,
@@ skipping 18 matching lines @@
             'src/filesystem_dispatcher.cc',
             'src/filesystem_dispatcher.h',
             'src/filesystem_interception.cc',
             'src/filesystem_interception.h',
             'src/filesystem_policy.cc',
             'src/filesystem_policy.h',
             'src/handle_closer.cc',
             'src/handle_closer.h',
             'src/handle_closer_agent.cc',
             'src/handle_closer_agent.h',
+            'src/handle_dispatcher.cc',
+            'src/handle_dispatcher.h',
+            'src/handle_interception.cc',
+            'src/handle_interception.h',
+            'src/handle_policy.cc',
+            'src/handle_policy.h',
             'src/handle_table.cc',
             'src/handle_table.h',
             'src/interception.cc',
             'src/interception.h',
             'src/interception_agent.cc',
             'src/interception_agent.h',
             'src/interception_internal.h',
             'src/interceptors.h',
             'src/internal_types.h',
             'src/ipc_tags.h',
@@ skipping 219 matching lines @@
             '../testing/gtest.gyp:gtest',
           ],
           'sources': [
             'tests/common/controller.cc',
             'tests/common/controller.h',
             'tests/common/test_utils.cc',
             'tests/common/test_utils.h',
             'tests/integration_tests/integration_tests.cc',
             'src/dep_test.cc',
             'src/file_policy_test.cc',
+            'src/handle_policy_test.cc',
             'tests/integration_tests/integration_tests_test.cc',
             'src/handle_closer_test.cc',
             'src/integrity_level_test.cc',
             'src/ipc_ping_test.cc',
             'src/named_pipe_policy_test.cc',
             'src/policy_target_test.cc',
             'src/process_policy_test.cc',
             'src/registry_policy_test.cc',
             'src/sync_policy_test.cc',
             'src/unload_dll_test.cc',
@@ skipping 85 matching lines @@
             'POCDLL_EXPORTS',
           ],
           'include_dirs': [
             '..',
           ],
         },
       ],
     }],
   ],
 }