Add sandbox support for Windows process mitigations

sandbox/win/sandbox_win.gypi

Index: sandbox/win/sandbox_win.gypi
===================================================================
--- sandbox/win/sandbox_win.gypi	(revision 154997)
+++ sandbox/win/sandbox_win.gypi	(working copy)
@@ -22,8 +22,6 @@
             'src/crosscall_params.h',
             'src/crosscall_server.cc',
             'src/crosscall_server.h',
-            'src/dep.cc',
-            'src/dep.h',
             'src/eat_resolver.cc',
             'src/eat_resolver.h',
             'src/filesystem_dispatcher.cc',
@@ -73,6 +71,8 @@
             'src/policy_params.h',
             'src/policy_target.cc',
             'src/policy_target.h',
+            'src/process_mitigations.cc',
+            'src/process_mitigations.h',
             'src/process_thread_dispatcher.cc',
             'src/process_thread_dispatcher.h',
             'src/process_thread_interception.cc',
@@ -232,7 +232,6 @@
       ],
       'sources': [
         'src/app_container_test.cc',
-        'src/dep_test.cc',
         'src/file_policy_test.cc',
         'src/handle_policy_test.cc',
         'tests/integration_tests/integration_tests_test.cc',
@@ -241,6 +240,7 @@
         'src/ipc_ping_test.cc',
         'src/named_pipe_policy_test.cc',
         'src/policy_target_test.cc',
+		'src/process_mitigations_test.cc',
         'src/process_policy_test.cc',
         'src/registry_policy_test.cc',
         'src/sync_policy_test.cc',