Memory-monitor for Mac.

content/browser/memory/memory_monitor.cc

Index: content/browser/memory/memory_monitor.cc
diff --git a/content/browser/memory/memory_monitor.cc b/content/browser/memory/memory_monitor.cc
index a9e168457df9f3a93972b4b80966682948e5c004..a859cf4b8b7bcaf70277f8be8732161672caed04 100644
--- a/content/browser/memory/memory_monitor.cc
+++ b/content/browser/memory/memory_monitor.cc
@@ -22,12 +22,8 @@ void MemoryMonitorDelegate::GetSystemMemoryInfo(
   base::GetSystemMemoryInfo(mem_info);
 }
 
-#if defined(OS_MACOSX)
-// TODO(bashi,bcwhite): Remove when memory monitor for mac is available.
-std::unique_ptr<MemoryMonitor> CreateMemoryMonitor() {
-  NOTREACHED();
-  return std::unique_ptr<MemoryMonitor>();
+bool MemoryMonitorDelegate::GetSystemMemoryPressure(int* mem_pressure) {
+  return false;
 }
-#endif
 
 }  // namespace content