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

third_party/WebKit/Source/core/loader/NavigationScheduler.cpp

Index: third_party/WebKit/Source/core/loader/NavigationScheduler.cpp
diff --git a/third_party/WebKit/Source/core/loader/NavigationScheduler.cpp b/third_party/WebKit/Source/core/loader/NavigationScheduler.cpp
index af0efe7c242b52716bfe236d141da30d4a316eae..2bd3a3638cad70ed9291d8612d836f9649d25d0b 100644
--- a/third_party/WebKit/Source/core/loader/NavigationScheduler.cpp
+++ b/third_party/WebKit/Source/core/loader/NavigationScheduler.cpp
@@ -268,14 +268,20 @@ class ScheduledReload final : public ScheduledNavigation {
     std::unique_ptr<UserGestureIndicator> gesture_indicator =
         CreateUserGestureIndicator();
     ResourceRequest resource_request = frame->Loader().ResourceRequestForReload(
-        kFrameLoadTypeReload, KURL(), ClientRedirectPolicy::kClientRedirect);
+        RuntimeEnabledFeatures::locationHardReloadEnabled()
+            ? kFrameLoadTypeReloadBypassingCache
+            : kFrameLoadTypeReload,
+        KURL(), ClientRedirectPolicy::kClientRedirect);
     if (resource_request.IsNull())
       return;
     FrameLoadRequest request = FrameLoadRequest(nullptr, resource_request);
     request.SetClientRedirect(ClientRedirectPolicy::kClientRedirect);
     MaybeLogScheduledNavigationClobber(
         ScheduledNavigationType::kScheduledReload, frame);
-    frame->Loader().Load(request, kFrameLoadTypeReload);
+    frame->Loader().Load(request,
+                         RuntimeEnabledFeatures::locationHardReloadEnabled()
+                             ? kFrameLoadTypeReloadBypassingCache
+                             : kFrameLoadTypeReload);
   }
 
  private: