Add information about memory allocator's size and capacity and heap snapshot into heap stats.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 48c64b314088fc40e8f048c78c1e0b9a77e649a8..4fdc95f5ee8a7b27bf01da11f72a6e3a1cd23136 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -126,7 +126,7 @@ static FatalErrorCallback& GetFatalErrorHandler() {
 
 // When V8 cannot allocated memory FatalProcessOutOfMemory is called.
 // The default fatal error handler is called and execution is stopped.
-void i::V8::FatalProcessOutOfMemory(const char* location) {
+void i::V8::FatalProcessOutOfMemory(const char* location, bool take_snapshot) {
   i::HeapStats heap_stats;
   int start_marker;
   heap_stats.start_marker = &start_marker;
@@ -166,9 +166,17 @@ void i::V8::FatalProcessOutOfMemory(const char* location) {
   heap_stats.near_death_global_handle_count = &near_death_global_handle_count;
   int destroyed_global_handle_count;
   heap_stats.destroyed_global_handle_count = &destroyed_global_handle_count;
+  int memory_allocator_size;
+  heap_stats.memory_allocator_size = &memory_allocator_size;
+  int memory_allocator_capacity;
+  heap_stats.memory_allocator_capacity = &memory_allocator_capacity;
+  int objects_per_type[LAST_TYPE + 1] = {0};
+  heap_stats.objects_per_type = objects_per_type;
+  int size_per_type[LAST_TYPE + 1] = {0};
+  heap_stats.size_per_type = size_per_type;
   int end_marker;
   heap_stats.end_marker = &end_marker;
-  i::Heap::RecordStats(&heap_stats);
+  i::Heap::RecordStats(&heap_stats, take_snapshot);
   i::V8::SetFatalError();
   FatalErrorCallback callback = GetFatalErrorHandler();
   {