[tracing] Sanitize process memory dumps for background mode

sql/sql_memory_dump_provider_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sql/sql_memory_dump_provider.h"
 
 #include "base/trace_event/process_memory_dump.h"
 #include "sql/test/sql_test_base.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 using SQLMemoryDumpProviderTest = sql::SQLTestBase;
 }
 
 TEST_F(SQLMemoryDumpProviderTest, OnMemoryDump) {
-  base::trace_event::ProcessMemoryDump pmd(nullptr);
   base::trace_event::MemoryDumpArgs args = {
       base::trace_event::MemoryDumpLevelOfDetail::DETAILED};
+  base::trace_event::ProcessMemoryDump pmd(nullptr, args);
   ASSERT_TRUE(
       sql::SqlMemoryDumpProvider::GetInstance()->OnMemoryDump(args, &pmd));
   ASSERT_TRUE(pmd.GetAllocatorDump("sqlite"));
 }