Add IsCurrentlyLowMemory

third_party/WebKit/Source/platform/MemoryCoordinator.cpp

Index: third_party/WebKit/Source/platform/MemoryCoordinator.cpp
diff --git a/third_party/WebKit/Source/platform/MemoryCoordinator.cpp b/third_party/WebKit/Source/platform/MemoryCoordinator.cpp
index e9cf30ecc38c666af82bc02d338f4a2c3819ab03..7e08795fef6777382a658d8a9c416edf38fb73a3 100644
--- a/third_party/WebKit/Source/platform/MemoryCoordinator.cpp
+++ b/third_party/WebKit/Source/platform/MemoryCoordinator.cpp
@@ -10,6 +10,10 @@
 #include "platform/instrumentation/tracing/TraceEvent.h"
 #include "platform/wtf/allocator/Partitions.h"
 
+#if OS(ANDROID)
+#include "base/android/sys_utils.h"
+#endif
+
 namespace blink {
 
 // static
@@ -32,6 +36,15 @@ void MemoryCoordinator::SetPhysicalMemoryMBForTesting(
   physical_memory_mb_ = physical_memory_mb;
 }
 
+// static
+bool MemoryCoordinator::IsCurrentlyLowMemory() {
+#if OS(ANDROID)
+  return base::android::SysUtils::IsCurrentlyLowMemory();
+#else
+  return false;
+#endif
+}
+
 // static
 void MemoryCoordinator::Initialize() {
   is_low_end_device_ = ::base::SysInfo::IsLowEndDevice();