Remove WebContentsDelegate::SwappedOut

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 4166 matching lines @@
     view_->CloseTabAfterEventTracking();
     return;
   }
 #endif
 
   // Ignore this if it comes from a RenderViewHost that we aren't showing.
   if (delegate_ && rvh == GetRenderViewHost())
     delegate_->CloseContents(this);
 }
 
-void WebContentsImpl::SwappedOut(RenderFrameHost* rfh) {
-  if (delegate_ && rfh->GetRenderViewHost() == GetRenderViewHost())
-    delegate_->SwappedOut(this);
-}
-
 void WebContentsImpl::RequestMove(const gfx::Rect& new_bounds) {
   if (delegate_ && delegate_->IsPopupOrPanel(this))
     delegate_->MoveContents(this, new_bounds);
 }
 
 void WebContentsImpl::DidStartLoading(FrameTreeNode* frame_tree_node,
                                       bool to_different_document) {
   LoadingStateChanged(to_different_document, false, nullptr);
 
   // Notify accessibility that the user is navigating away from the
@@ skipping 761 matching lines @@
   for (RenderViewHost* render_view_host : render_view_host_set)
     render_view_host->OnWebkitPreferencesChanged();
 }
 
 void WebContentsImpl::SetJavaScriptDialogManagerForTesting(
     JavaScriptDialogManager* dialog_manager) {
   dialog_manager_ = dialog_manager;
 }
 
 }  // namespace content