Rename LockBackForwardList to ReplaceCurrentItem.

Source/core/frame/RemoteFrame.cpp

Index: Source/core/frame/RemoteFrame.cpp
diff --git a/Source/core/frame/RemoteFrame.cpp b/Source/core/frame/RemoteFrame.cpp
index b2ebd7d96138228e2e6fb12c46b2368ae7c9764e..bc2116d60bc49b77454190029a04223cc44fe2cd 100644
--- a/Source/core/frame/RemoteFrame.cpp
+++ b/Source/core/frame/RemoteFrame.cpp
@@ -62,20 +62,20 @@ WindowProxy* RemoteFrame::windowProxy(DOMWrapperWorld& world)
     return windowProxy;
 }
 
-void RemoteFrame::navigate(Document& originDocument, const KURL& url, bool lockBackForwardList, UserGestureStatus userGestureStatus)
+void RemoteFrame::navigate(Document& originDocument, const KURL& url, bool replaceCurrentItem, UserGestureStatus userGestureStatus)
 {
     // The process where this frame actually lives won't have sufficient information to determine
     // correct referrer, since it won't have access to the originDocument. Set it now.
     ResourceRequest request(url);
     request.setHTTPReferrer(SecurityPolicy::generateReferrer(originDocument.referrerPolicy(), url, originDocument.outgoingReferrer()));
     request.setHasUserGesture(userGestureStatus == UserGestureStatus::Active);
-    remoteFrameClient()->navigate(request, lockBackForwardList);
+    remoteFrameClient()->navigate(request, replaceCurrentItem);
 }
 
 void RemoteFrame::navigate(const FrameLoadRequest& passedRequest)
 {
     UserGestureStatus gesture = UserGestureIndicator::processingUserGesture() ? UserGestureStatus::Active : UserGestureStatus::None;
-    navigate(*passedRequest.originDocument(), passedRequest.resourceRequest().url(), passedRequest.lockBackForwardList(), gesture);
+    navigate(*passedRequest.originDocument(), passedRequest.resourceRequest().url(), passedRequest.replacesCurrentItem(), gesture);
 }
 
 void RemoteFrame::reload(FrameLoadType frameLoadType, ClientRedirectPolicy clientRedirectPolicy)