Add an experimental flag to change location.reload to take a hard-reload

content/child/runtime_features.cc

Index: content/child/runtime_features.cc
diff --git a/content/child/runtime_features.cc b/content/child/runtime_features.cc
index 731b3b8621452673954f2b34b43c266f12b91335..d99308601368ac0c3bf808cdbb9b80ecb84176b6 100644
--- a/content/child/runtime_features.cc
+++ b/content/child/runtime_features.cc
@@ -373,6 +373,9 @@ void SetRuntimeFeaturesDefaultsAndUpdateFromArgs(
                                                 false);
   }
 
+  WebRuntimeFeatures::EnableLocationHardReload(
+      base::FeatureList::IsEnabled(features::kLocationHardReload));
+
   // Enable explicitly enabled features, and then disable explicitly disabled
   // ones.
   if (command_line.HasSwitch(switches::kEnableBlinkFeatures)) {