1 files changed, 26 insertions, 1 deletions
diff --git a/chromium/content/common/content_navigation_policy.cc b/chromium/content/common/content_navigation_policy.cc
index aa1f35b439b..6b932f006ea 100644
--- a/chromium/content/common/content_navigation_policy.cc
+++ b/chromium/content/common/content_navigation_policy.cc
@@ -47,7 +47,8 @@ constexpr base::FeatureParam<ProactivelySwapBrowsingInstanceLevel>::Option
         {ProactivelySwapBrowsingInstanceLevel::kCrossSiteSwapProcess,
          "CrossSiteSwapProcess"},
         {ProactivelySwapBrowsingInstanceLevel::kCrossSiteReuseProcess,
-         "CrossSiteReuseProcess"}};
+         "CrossSiteReuseProcess"},
+        {ProactivelySwapBrowsingInstanceLevel::kSameSite, "SameSite"}};
 const base::FeatureParam<ProactivelySwapBrowsingInstanceLevel>
     proactively_swap_browsing_instance_level{
         &features::kProactivelySwapBrowsingInstance,
@@ -55,6 +56,24 @@ const base::FeatureParam<ProactivelySwapBrowsingInstanceLevel>
         ProactivelySwapBrowsingInstanceLevel::kDisabled,
         &proactively_swap_browsing_instance_levels};
 
+std::string GetProactivelySwapBrowsingInstanceLevelName(
+    ProactivelySwapBrowsingInstanceLevel level) {
+  return proactively_swap_browsing_instance_level.GetName(level);
+}
+
+std::array<std::string,
+           static_cast<size_t>(ProactivelySwapBrowsingInstanceLevel::kMaxValue)>
+ProactivelySwapBrowsingInstanceFeatureEnabledLevelValues() {
+  return {
+      GetProactivelySwapBrowsingInstanceLevelName(
+          ProactivelySwapBrowsingInstanceLevel::kCrossSiteSwapProcess),
+      GetProactivelySwapBrowsingInstanceLevelName(
+          ProactivelySwapBrowsingInstanceLevel::kCrossSiteReuseProcess),
+      GetProactivelySwapBrowsingInstanceLevelName(
+          ProactivelySwapBrowsingInstanceLevel::kSameSite),
+  };
+}
+
 ProactivelySwapBrowsingInstanceLevel GetProactivelySwapBrowsingInstanceLevel() {
   if (base::FeatureList::IsEnabled(features::kProactivelySwapBrowsingInstance))
     return proactively_swap_browsing_instance_level.Get();
@@ -70,6 +89,12 @@ bool IsProactivelySwapBrowsingInstanceWithProcessReuseEnabled() {
   return GetProactivelySwapBrowsingInstanceLevel() >=
          ProactivelySwapBrowsingInstanceLevel::kCrossSiteReuseProcess;
 }
+
+bool IsProactivelySwapBrowsingInstanceOnSameSiteNavigationEnabled() {
+  return GetProactivelySwapBrowsingInstanceLevel() >=
+         ProactivelySwapBrowsingInstanceLevel::kSameSite;
+}
+
 const char kRenderDocumentLevelParameterName[] = "level";
 
 constexpr base::FeatureParam<RenderDocumentLevel>::Option