Revert of Disable BackgroundRendererProcesses in absence of Finch.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 31c284ef4117995cedc5cda0f4514bcc260fde66..91dd8b3c4c73b805c4b63dcf2de938b1558bde90 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -2228,8 +2228,8 @@
   // get coverage on the perf waterfall.
   base::FieldTrial* trial =
       base::FieldTrialList::Find("BackgroundRendererProcesses");
-  if (trial && (trial->group_name() != "Disallow" &&
-                trial->group_name() != "AllowBackgroundModeFromRenderer")) {
+  if (!trial || (trial->group_name() != "Disallow" &&
+                 trial->group_name() != "AllowBackgroundModeFromRenderer")) {
     child_process_launcher_->SetProcessBackgrounded(backgrounded);
   }
 #else