mac: Make Mach port scopers better ScopedGenerics

base/process/process_metrics_mac.cc

Index: base/process/process_metrics_mac.cc
diff --git a/base/process/process_metrics_mac.cc b/base/process/process_metrics_mac.cc
index a2ecd8e718531493b2e3373576a701f9515545a1..82acb0636b94bd941fd3861a05c0c4856a7f18c3 100644
--- a/base/process/process_metrics_mac.cc
+++ b/base/process/process_metrics_mac.cc
@@ -352,7 +352,7 @@ size_t GetSystemCommitCharge() {
   base::mac::ScopedMachSendRight host(mach_host_self());
   mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
   vm_statistics_data_t data;
-  kern_return_t kr = host_statistics(host, HOST_VM_INFO,
+  kern_return_t kr = host_statistics(host.get(), HOST_VM_INFO,
                                      reinterpret_cast<host_info_t>(&data),
                                      &count);
   if (kr != KERN_SUCCESS) {
@@ -368,7 +368,7 @@ bool GetSystemMemoryInfo(SystemMemoryInfoKB* meminfo) {
   struct host_basic_info hostinfo;
   mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
   base::mac::ScopedMachSendRight host(mach_host_self());
-  int result = host_info(host, HOST_BASIC_INFO,
+  int result = host_info(host.get(), HOST_BASIC_INFO,
                          reinterpret_cast<host_info_t>(&hostinfo), &count);
   if (result != KERN_SUCCESS)
     return false;