[Win10 sandbox mitigations] Four new Win10 mitigations added.

sandbox/win/src/sandbox_policy_base.cc

Index: sandbox/win/src/sandbox_policy_base.cc
diff --git a/sandbox/win/src/sandbox_policy_base.cc b/sandbox/win/src/sandbox_policy_base.cc
index 28662b42d957db8113ade35c9da39fe8ce4d85b3..dc3ed1f7f9eb13d58a031b0f766d2c2779d9712d 100644
--- a/sandbox/win/src/sandbox_policy_base.cc
+++ b/sandbox/win/src/sandbox_policy_base.cc
@@ -179,7 +179,7 @@ TokenLevel PolicyBase::GetInitialTokenLevel() const {
   return initial_level_;
 }
 
-TokenLevel PolicyBase::GetLockdownTokenLevel() const{
+TokenLevel PolicyBase::GetLockdownTokenLevel() const {
   return lockdown_level_;
 }
 
@@ -192,6 +192,10 @@ ResultCode PolicyBase::SetJobLevel(JobLevel job_level, uint32_t ui_exceptions) {
   return SBOX_ALL_OK;
 }
 
+JobLevel PolicyBase::GetJobLevel() const {
+  return job_level_;
+}
+
 ResultCode PolicyBase::SetJobMemoryLimit(size_t memory_limit) {
   if (memory_limit && job_level_ == JOB_NONE) {
     return SBOX_ERROR_BAD_PARAMS;