[tracing] Replace %p with %PRIXPTR in the memory dump names

extensions/browser/value_store/leveldb_value_store.cc

Index: extensions/browser/value_store/leveldb_value_store.cc
diff --git a/extensions/browser/value_store/leveldb_value_store.cc b/extensions/browser/value_store/leveldb_value_store.cc
index 6610652e3e7f884fb4d52eb2745b15b329fb6582..8384d46cd7f1b0da11a147412353719ebacc6179 100644
--- a/extensions/browser/value_store/leveldb_value_store.cc
+++ b/extensions/browser/value_store/leveldb_value_store.cc
@@ -4,6 +4,7 @@
 
 #include "extensions/browser/value_store/leveldb_value_store.h"
 
+#include <inttypes.h>
 #include <stdint.h>
 
 #include <utility>
@@ -252,7 +253,8 @@ bool LeveldbValueStore::OnMemoryDump(
   DCHECK(res);
 
   auto dump = pmd->CreateAllocatorDump(base::StringPrintf(
-      "leveldb/value_store/%s/%p", open_histogram_name().c_str(), this));
+      "leveldb/value_store/%s/0x%" PRIXPTR, open_histogram_name().c_str(),
+      reinterpret_cast<uintptr_t>(this)));
   dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
                   base::trace_event::MemoryAllocatorDump::kUnitsBytes, size);