Report memory retained by memory allocator internals.

base/allocator/allocator_extension.cc

Index: base/allocator/allocator_extension.cc
diff --git a/base/allocator/allocator_extension.cc b/base/allocator/allocator_extension.cc
index d4ed6d72f2768f7001f1dbe30c6b2df780d24e6e..fb54ac556c032daa5be60954a9dc56e20233247e 100644
--- a/base/allocator/allocator_extension.cc
+++ b/base/allocator/allocator_extension.cc
@@ -9,10 +9,11 @@
 namespace base {
 namespace allocator {
 
-bool GetProperty(const char* name, size_t* value) {
-  thunks::GetPropertyFunction get_property_function =
-      base::allocator::thunks::GetGetPropertyFunction();
-  return get_property_function != NULL && get_property_function(name, value);
+bool GetAllocatorWasteSize(size_t* size) {
+  thunks::GetAllocatorWasteSizeFunction get_allocator_waste_size_function =
+      base::allocator::thunks::GetGetAllocatorWasteSizeFunction();

[darin (slow to review), 2012/10/23 17:28:30]

nit: no need for base::allocator:: prefix when you have code inside that
namespace.

[alexeif, 2012/10/23 18:00:15]

Done.

+  return get_allocator_waste_size_function != NULL &&
+         get_allocator_waste_size_function(size);
 }
 
 void GetStats(char* buffer, int buffer_length) {
@@ -32,11 +33,12 @@ void ReleaseFreeMemory() {
     release_free_memory_function();
 }
 
-void SetGetPropertyFunction(
-    thunks::GetPropertyFunction get_property_function) {
-  DCHECK_EQ(base::allocator::thunks::GetGetPropertyFunction(),
-            reinterpret_cast<thunks::GetPropertyFunction>(NULL));
-  base::allocator::thunks::SetGetPropertyFunction(get_property_function);
+void SetGetAllocatorWasteSizeFunction(
+    thunks::GetAllocatorWasteSizeFunction get_allocator_waste_size_function) {
+  DCHECK_EQ(base::allocator::thunks::GetGetAllocatorWasteSizeFunction(),
+            reinterpret_cast<thunks::GetAllocatorWasteSizeFunction>(NULL));
+  base::allocator::thunks::SetGetAllocatorWasteSizeFunction(

[darin (slow to review), 2012/10/23 17:28:30]

ditto:  no need for base::allocator::

[alexeif, 2012/10/23 18:00:15]

Done.

+      get_allocator_waste_size_function);
 }
 
 void SetGetStatsFunction(thunks::GetStatsFunction get_stats_function) {