Use ashmem to name our various anonymous regions.

Change-Id: If64576b831a2fdcb83ffce40e6ec8ece8d902672
diff --git a/src/space.h b/src/space.h
index 9300be3..be7dfdc 100644
--- a/src/space.h
+++ b/src/space.h
@@ -126,7 +126,7 @@
   bool Init(size_t initial_size, size_t maximum_size, size_t growth_size, byte* requested_base);
 
   // Initializes the space from existing storage, taking ownership of the storage.
-  void Init(MemMap* map);
+  void InitFromMemMap(MemMap* map);
 
   // Initializes the space from an image file
   bool InitFromImage(const std::string& image_file_name);