Add a field platform_private_footprint_ to ProcessMemoryTotals.

base/process/process_metrics_mac.cc

 // Copyright (c) 2013 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.
 
 #include "base/process/process_metrics.h"
 
 #include <mach/mach.h>
 #include <mach/mach_vm.h>
 #include <mach/shared_region.h>
 #include <stddef.h>
@@ skipping 319 matching lines @@
   ChromeTaskVMInfo task_vm_info;
   mach_msg_type_number_t count = ChromeTaskVMInfoCount;
   kern_return_t result =
       task_info(TaskForPid(process_), TASK_VM_INFO,
                 reinterpret_cast<task_info_t>(&task_vm_info), &count);
   if (result != KERN_SUCCESS)
     return 0;
   return task_vm_info.phys_footprint;
 }
 
+size_t GetInternalAndCompressed() const {

[Primiano Tucci (use gerrit), 2017/04/25 12:43:35]

+ProcessMetrics::

+  task_vm_info info;
+  mach_msg_type_number_t count = TASK_VM_INFO_COUNT;
+  kern_return_t result =
+      task_info(TaskForPid(process_), TASK_VM_INFO,
+                reinterpret_cast<task_info_t>(&info), &count);
+  if (result != KERN_SUCCESS)
+    return 0;
+  return task_vm_info.internal + task_vm_info.compressed;
+}
+
 #define TIME_VALUE_TO_TIMEVAL(a, r) do {  \
   (r)->tv_sec = (a)->seconds;             \
   (r)->tv_usec = (a)->microseconds;       \
 } while (0)
 
 double ProcessMetrics::GetCPUUsage() {
   mach_port_t task = TaskForPid(process_);
   if (task == MACH_PORT_NULL)
     return 0;
 
@@ skipping 147 matching lines @@
       saturated_cast<int>(PAGE_SIZE / 1024 * vm_info.speculative_count);
   meminfo->file_backed =
       saturated_cast<int>(PAGE_SIZE / 1024 * vm_info.external_page_count);
   meminfo->purgeable =
       saturated_cast<int>(PAGE_SIZE / 1024 * vm_info.purgeable_count);
 
   return true;
 }
 
 }  // namespace base