[tracing] Get rid of MemoryAllocatorAttributesTypeInfo

base/trace_event/memory_allocator_dump.h

Index: base/trace_event/memory_allocator_dump.h
diff --git a/base/trace_event/memory_allocator_dump.h b/base/trace_event/memory_allocator_dump.h
index 1c786ab032ccba06fc3bba14baab9aee1fa63526..e8d3756bd512e608c3b6ff44b8d1570f12190fa0 100644
--- a/base/trace_event/memory_allocator_dump.h
+++ b/base/trace_event/memory_allocator_dump.h
@@ -8,7 +8,6 @@
 #include "base/base_export.h"
 #include "base/basictypes.h"
 #include "base/logging.h"
-#include "base/trace_event/memory_allocator_attributes_type_info.h"
 #include "base/values.h"
 
 namespace base {
@@ -82,10 +81,6 @@ class BASE_EXPORT MemoryAllocatorDump {
     return process_memory_dump_;
   }
 
-  // Retrieves the map of allocator attributes types, which is shared by all
-  // MemoryAllocatorDump(s) across all ProcessMemoryDump(s) per tracing session.
-  const MemoryAllocatorAttributesTypeInfo& GetAttributesTypeInfo() const;
-
  private:
   const std::string allocator_name_;
   const std::string heap_name_;