[MemoryInfra] Support dump providers running on SequencedTaskRunner

components/tracing/process_metrics_memory_dump_provider.cc

Index: components/tracing/process_metrics_memory_dump_provider.cc
diff --git a/components/tracing/process_metrics_memory_dump_provider.cc b/components/tracing/process_metrics_memory_dump_provider.cc
index e73ea78711dc4818e86d3926899fd23bf82a3fc1..45d6316b066f4cbf60b5837c175528998788db59 100644
--- a/components/tracing/process_metrics_memory_dump_provider.cc
+++ b/components/tracing/process_metrics_memory_dump_provider.cc
@@ -203,7 +203,8 @@ void ProcessMetricsMemoryDumpProvider::RegisterForProcess(
     base::ProcessId process) {
   scoped_ptr<ProcessMetricsMemoryDumpProvider> metrics_provider(
       new ProcessMetricsMemoryDumpProvider(process));
-  base::trace_event::MemoryDumpProvider::Options options(process);
+  base::trace_event::MemoryDumpProvider::Options options;
+  options.target_pid = process;
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
       metrics_provider.get(), "ProcessMemoryMetrics", nullptr, options);
   bool did_insert =