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

third_party/WebKit/Source/core/frame/LocalFrame.cpp

Index: third_party/WebKit/Source/core/frame/LocalFrame.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalFrame.cpp b/third_party/WebKit/Source/core/frame/LocalFrame.cpp
index b64d75d627f1238ca45956bd77918f23f4ac64a6..f53bffff54ce095ed0923bff4ddbc1fa8ed91758 100644
--- a/third_party/WebKit/Source/core/frame/LocalFrame.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalFrame.cpp
@@ -398,7 +398,10 @@ void LocalFrame::Reload(FrameLoadType load_type,
     request.SetClientRedirect(client_redirect_policy);
     loader_.Load(request, load_type);
   } else {
-    DCHECK_EQ(kFrameLoadTypeReload, load_type);
+    DCHECK_EQ(RuntimeEnabledFeatures::locationHardReloadEnabled()
+                  ? kFrameLoadTypeReloadBypassingCache
+                  : kFrameLoadTypeReload,
+              load_type);
     navigation_scheduler_->ScheduleReload();
   }
 }