Remove unused memory functions

base/allocator/allocator_extension_thunks.cc

Index: base/allocator/allocator_extension_thunks.cc
diff --git a/base/allocator/allocator_extension_thunks.cc b/base/allocator/allocator_extension_thunks.cc
index 8d0358db4b7f352dd99e49c128beda3c2aa144d2..fa87499686b75d0a2295ddbfa738042842875dda 100644
--- a/base/allocator/allocator_extension_thunks.cc
+++ b/base/allocator/allocator_extension_thunks.cc
@@ -17,20 +17,10 @@ namespace thunks {
 // can depend on it. This file can't depend on anything else in base, including
 // logging.
 
-static GetAllocatorWasteSizeFunction g_get_allocator_waste_size_function = NULL;
 static GetStatsFunction g_get_stats_function = NULL;
 static ReleaseFreeMemoryFunction g_release_free_memory_function = NULL;
 static GetNumericPropertyFunction g_get_numeric_property_function = NULL;
 
-void SetGetAllocatorWasteSizeFunction(
-    GetAllocatorWasteSizeFunction get_allocator_waste_size_function) {
-  g_get_allocator_waste_size_function = get_allocator_waste_size_function;
-}
-
-GetAllocatorWasteSizeFunction GetGetAllocatorWasteSizeFunction() {
-  return g_get_allocator_waste_size_function;
-}
-
 void SetGetStatsFunction(GetStatsFunction get_stats_function) {
   g_get_stats_function = get_stats_function;
 }