Provide a mechanism for the embedder to set a TotalPhysicalMemory callback function.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 469c7a1814df85e35e1e409684be5c22efa3437c..eb794281978ef7c4596829c323ce5e717539c86a 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -6436,6 +6436,12 @@ void V8::RemoveGCEpilogueCallback(GCEpilogueCallback callback) {
 }
 
 
+void V8::SetTotalPhysicalMemoryFunction(TotalPhysicalMemoryCallback callback) {
+  i::Isolate* isolate = i::Isolate::Current();

[Sven Panne, 2013/10/21 07:11:04]

o_O This is fundamentally wrong, and I can't see how we can ever remove
Current() here. Note that this is on death row already, and I will object any CL
which introduces further calls of it.

+  isolate->SetTotalPhysicalMemoryCallback(callback);
+}
+
+
 void V8::AddMemoryAllocationCallback(MemoryAllocationCallback callback,
                                      ObjectSpace space,
                                      AllocationAction action) {