Should reset record_purge_suspend_metric_closure_ CancelableCallback in OnProcessBackgrounded after…

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 923db0079a6c2e61226eb05a69196a221674e412..fda904d5dbdd672a36c3e3ac95ade64d82ffaa3b 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -1760,6 +1760,9 @@ void RenderThreadImpl::OnProcessBackgrounded(bool backgrounded) {
   } else {
     renderer_scheduler_->OnRendererForegrounded();
     record_purge_suspend_metric_closure_.Cancel();
+    record_purge_suspend_metric_closure_.Reset(
+        base::Bind(&RenderThreadImpl::RecordPurgeAndSuspendMetrics,
+                   base::Unretained(this)));
     is_renderer_suspended_ = false;
   }
 }