Revert of Fix RemoteFrame detachment to signal its client.

Source/web/RemoteFrameClientImpl.cpp

Index: Source/web/RemoteFrameClientImpl.cpp
diff --git a/Source/web/RemoteFrameClientImpl.cpp b/Source/web/RemoteFrameClientImpl.cpp
index dcd5e97711296794a39a7aa1ce1740e968340114..dd1664f42dcb24740ae6c9d26338b77812a243af 100644
--- a/Source/web/RemoteFrameClientImpl.cpp
+++ b/Source/web/RemoteFrameClientImpl.cpp
@@ -14,7 +14,6 @@
 #include "platform/exported/WrappedResourceRequest.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/weborigin/SecurityPolicy.h"
-#include "public/web/WebRemoteFrameClient.h"
 #include "web/WebInputEventConversion.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebRemoteFrameImpl.h"
@@ -28,17 +27,7 @@
 
 void RemoteFrameClientImpl::detached()
 {
-    // Alert the client that the frame is being detached.
-    RefPtrWillBeRawPtr<WebRemoteFrameImpl> protector(m_webFrame);
-
-    WebRemoteFrameClient* client = m_webFrame->client();
-    if (!client)
-        return;
-
-    client->frameDetached();
-    // Clear our reference to RemoteFrame at the very end, in case the client
-    // refers to it.
-    m_webFrame->setCoreFrame(nullptr);
+    // FIXME: Implement.
 }
 
 Frame* RemoteFrameClientImpl::opener() const