1 files changed, 6 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/core/loader/FrameLoaderTypes.h b/chromium/third_party/WebKit/Source/core/loader/FrameLoaderTypes.h
index 1ef7b5dfddb..a7444ba8409 100644
--- a/chromium/third_party/WebKit/Source/core/loader/FrameLoaderTypes.h
+++ b/chromium/third_party/WebKit/Source/core/loader/FrameLoaderTypes.h
@@ -71,6 +71,12 @@ namespace WebCore {
         ObjectContentOtherPlugin
     };
 
+    enum UnloadEventPolicy {
+        UnloadEventPolicyNone,
+        UnloadEventPolicyUnloadOnly,
+        UnloadEventPolicyUnloadAndPageHide
+    };
+
     enum ShouldSendReferrer {
         MaybeSendReferrer,
         NeverSendReferrer