Record Chrome trace events in tcmalloc heap profiles

third_party/tcmalloc/chromium/src/heap-profile-table.h

Index: third_party/tcmalloc/chromium/src/heap-profile-table.h
diff --git a/third_party/tcmalloc/chromium/src/heap-profile-table.h b/third_party/tcmalloc/chromium/src/heap-profile-table.h
index c2ad39f9138f4049fc9de2e45a385a8e1819e687..ec3b6a7a8821bc215e7caae37b0b9b806c6d4d77 100644
--- a/third_party/tcmalloc/chromium/src/heap-profile-table.h
+++ b/third_party/tcmalloc/chromium/src/heap-profile-table.h
@@ -183,6 +183,7 @@ class HeapProfileTable {
   // of currently allocated bytes.
   // We do not provision for 0-terminating 'buf'.
   int FillOrderedProfile(char buf[], int size) const;
+  int FillOrderedProfile2(char buf[], int size) const;
 
   // Cleanup any old profile files matching prefix + ".*" + kFileExt.
   static void CleanupOldProfiles(const char* prefix);
@@ -367,6 +368,9 @@ class HeapProfileTable {
                            char* buf, int buflen, int bufsize,
                            const char* extra,
                            Stats* profile_stats);
+  static int UnparseBucket2(const Bucket& b,
+                            char* buf, int buflen, int bufsize,
+                            Stats* profile_stats);
 
   // Get the bucket for the caller stack trace 'key' of depth 'depth'
   // creating the bucket if needed.