Memory-monitor for Mac.

content/browser/memory/test_memory_monitor.cc

 // Copyright (c) 2016 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 "content/browser/memory/test_memory_monitor.h"
 
 namespace content {
 
 TestMemoryMonitorDelegate::~TestMemoryMonitorDelegate() {}
 
 void TestMemoryMonitorDelegate::GetSystemMemoryInfo(
     base::SystemMemoryInfoKB* mem_info) {
   *mem_info = mem_info_;
   ++calls_;
 }
 
+bool TestMemoryMonitorDelegate::GetSystemMemoryPressure(int* mem_pressure) {
+  *mem_pressure = mem_pressure_;
+  ++calls_;
+  return mem_pressure_valid_;
+}
+
 }  // namespace content