Allow backgrounding processes on Mac

content/public/common/content_features.cc

Index: content/public/common/content_features.cc
diff --git a/content/public/common/content_features.cc b/content/public/common/content_features.cc
index 3f969f5d283c970e6094cd0e80d17f46506bbb6a..6869897c9554835991d082e0774b0ae6c7110af3 100644
--- a/content/public/common/content_features.cc
+++ b/content/public/common/content_features.cc
@@ -82,7 +82,6 @@ const base::Feature kGamepadExtensions{"GamepadExtensions",
 const base::Feature kGenericSensor{"GenericSensor",
                                    base::FEATURE_DISABLED_BY_DEFAULT};
 
-
 // FeatureList definition for trials to enable the download button on
 // MediaDocument.
 const base::Feature kMediaDocumentDownloadButton{
@@ -245,4 +244,10 @@ const base::Feature kWinSboxDisableExtensionPoints{
     "WinSboxDisableExtensionPoint", base::FEATURE_ENABLED_BY_DEFAULT};
 #endif
 
+#if defined(OS_MACOSX)
+// Enables backgrounding inactive tabs on Mac.
+const base::Feature kMacBackgroundInactiveTabs{
+    "MacBackgroundInactiveTabs", base::FEATURE_DISABLED_BY_DEFAULT};
+#endif  // defined(OS_MACOSX)
+
 }  // namespace features