Revert of Detach old frame on WebFrame::swap.

Source/web/RemoteFrameClientImpl.cpp

Index: Source/web/RemoteFrameClientImpl.cpp
diff --git a/Source/web/RemoteFrameClientImpl.cpp b/Source/web/RemoteFrameClientImpl.cpp
index a5fb499fd462879bc703ca48544bdd00b97788d0..9d2aa25a728603ede7afd33d5e79f37eee4d0932 100644
--- a/Source/web/RemoteFrameClientImpl.cpp
+++ b/Source/web/RemoteFrameClientImpl.cpp
@@ -35,7 +35,7 @@
 {
 }
 
-void RemoteFrameClientImpl::detached(FrameDetachType type)
+void RemoteFrameClientImpl::detached()
 {
     // Alert the client that the frame is being detached.
     RefPtrWillBeRawPtr<WebRemoteFrameImpl> protector(m_webFrame);
@@ -44,7 +44,7 @@
     if (!client)
         return;
 
-    client->frameDetached(static_cast<WebRemoteFrameClient::DetachType>(type));
+    client->frameDetached();
     // Clear our reference to RemoteFrame at the very end, in case the client
     // refers to it.
     m_webFrame->setCoreFrame(nullptr);