OOPIF: Reinitialize a dead subframe correctly for same-site navigations.

content/browser/frame_host/render_frame_host_manager.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 667 matching lines @@
   // Create and initialize a speculative RenderFrameHost for an ongoing
   // navigation. It might be destroyed and re-created later if the navigation
   // is redirected to a different SiteInstance.
   bool CreateSpeculativeRenderFrameHost(SiteInstance* old_instance,
                                         SiteInstance* new_instance);
 
   // Initialization for RenderFrameHost uses the same sequence as InitRenderView
   // above.
   bool InitRenderFrame(RenderFrameHostImpl* render_frame_host);
 
+  // Helper to reinitialize the RenderFrame, RenderView, and the opener chain
+  // for the provided |render_frame_host|.  Used when the |render_frame_host|
+  // needs to be reused for a new navigation, but it is not live.
+  bool ReinitializeRenderFrame(RenderFrameHostImpl* render_frame_host);
+
   // Makes the pending WebUI on the current RenderFrameHost active. Call this
   // when the current RenderFrameHost commits and it has a pending WebUI.
   void CommitPendingWebUI();
 
   // Sets the pending RenderFrameHost to be the active one. Call when the
   // pending RenderFrameHost commits.
   // If PlzNavigate is enabled the method will set the speculative (not pending)
   // RenderFrameHost to be the active one.
   void CommitPending();
 
@@ skipping 108 matching lines @@
   std::unique_ptr<RenderFrameHostImpl> speculative_render_frame_host_;
 
   base::WeakPtrFactory<RenderFrameHostManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_