Detach old frame on WebFrame::swap.

Source/core/frame/LocalFrame.cpp

Index: Source/core/frame/LocalFrame.cpp
diff --git a/Source/core/frame/LocalFrame.cpp b/Source/core/frame/LocalFrame.cpp
index c2c67c5d0a68af2a1f03461d05f35ea5b2f29b9f..5bb3bfba07eedd8d317cae95a46e092bd9284c55 100644
--- a/Source/core/frame/LocalFrame.cpp
+++ b/Source/core/frame/LocalFrame.cpp
@@ -260,7 +260,7 @@ void LocalFrame::reload(ReloadPolicy reloadPolicy, ClientRedirectPolicy clientRe
         m_navigationScheduler.scheduleReload();
 }
 
-void LocalFrame::detach()
+void LocalFrame::detach(FrameDetachType type)
 {
     // A lot of the following steps can result in the current frame being
     // detached, so protect a reference to it.
@@ -286,7 +286,7 @@ void LocalFrame::detach()
     setView(nullptr);
     willDetachFrameHost();
     InspectorInstrumentation::frameDetachedFromParent(this);
-    Frame::detach();
+    Frame::detach(type);
 
     // Signal frame destruction here rather than in the destructor.
     // Main motivation is to avoid being dependent on its exact timing (Oilpan.)