Detach old frame on WebFrame::swap.

Source/web/FrameLoaderClientImpl.cpp

Index: Source/web/FrameLoaderClientImpl.cpp
diff --git a/Source/web/FrameLoaderClientImpl.cpp b/Source/web/FrameLoaderClientImpl.cpp
index a4637ae2164527b05e9f9f131ceda259916834c0..30cc7ef55874d0a2c23b1627d3f7160baf7e03c2 100644
--- a/Source/web/FrameLoaderClientImpl.cpp
+++ b/Source/web/FrameLoaderClientImpl.cpp
@@ -315,7 +315,7 @@ void FrameLoaderClientImpl::willBeDetached()
     m_webFrame->willBeDetached();
 }
 
-void FrameLoaderClientImpl::detached()
+void FrameLoaderClientImpl::detached(DetachType type)
 {
     // Alert the client that the frame is being detached. This is the last
     // chance we have to communicate with the client.
@@ -331,7 +331,7 @@ void FrameLoaderClientImpl::detached()
     // place at this point since we are no longer associated with the Page.
     m_webFrame->setClient(0);
 
-    client->frameDetached(m_webFrame);
+    client->frameDetached(m_webFrame, static_cast<WebFrameClient::DetachType>(type));

[dcheng, 2015/06/04 00:58:23]

There should probably be something in AssertMatchingEnums.cpp for this.

[lfg, 2015/06/04 19:16:57]

Done.

     // Clear our reference to LocalFrame at the very end, in case the client
     // refers to it.
     m_webFrame->setCoreFrame(nullptr);