[Tracing] Make heap profiler type info a string

base/trace_event/memory_dump_session_state.cc

Index: base/trace_event/memory_dump_session_state.cc
diff --git a/base/trace_event/memory_dump_session_state.cc b/base/trace_event/memory_dump_session_state.cc
index b9b0d1ee52db2d50f7b4fc0068b1d2a49a81e07a..5aa79b1c789e48b09d1d20729ca159be9800ebe9 100644
--- a/base/trace_event/memory_dump_session_state.cc
+++ b/base/trace_event/memory_dump_session_state.cc
@@ -8,8 +8,10 @@ namespace base {
 namespace trace_event {
 
 MemoryDumpSessionState::MemoryDumpSessionState(
-    const scoped_refptr<StackFrameDeduplicator>& stack_frame_deduplicator)
-    : stack_frame_deduplicator_(stack_frame_deduplicator) {}
+    const scoped_refptr<StackFrameDeduplicator>& stack_frame_deduplicator,
+    const scoped_refptr<TypeNameDeduplicator>& type_name_deduplicator)
+    : stack_frame_deduplicator_(stack_frame_deduplicator),
+      type_name_deduplicator_(type_name_deduplicator) {}
 
 MemoryDumpSessionState::~MemoryDumpSessionState() {
 }