Move RenderViewHost swap out state to RenderFrameHost.

content/browser/renderer_host/render_view_host_delegate.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 137 matching lines @@
   virtual void OnUserGesture() {}
 
   // Notification from the renderer host that blocked UI event occurred.
   // This happens when there are tab-modal dialogs. In this case, the
   // notification is needed to let us draw attention to the dialog (i.e.
   // refocus on the modal dialog, flash title etc).
   virtual void OnIgnoredUIEvent() {}
 
   // Notification that the renderer has become unresponsive. The
   // delegate can use this notification to show a warning to the user.
-  virtual void RendererUnresponsive(RenderViewHost* render_view_host,
-                                    bool is_during_before_unload,
-                                    bool is_during_unload) {}
+  virtual void RendererUnresponsive(RenderViewHost* render_view_host) {}

[Charlie Reis, 2014/09/29 16:52:57]

There's no need to pass the extra parameters, since WebContentsImpl can check
them on the RFH when they're needed.

 
   // Notification that a previously unresponsive renderer has become
   // responsive again. The delegate can use this notification to end the
   // warning shown to the user.
   virtual void RendererResponsive(RenderViewHost* render_view_host) {}
 
   // Notification that the RenderViewHost's load state changed.
   virtual void LoadStateChanged(const GURL& url,
                                 const net::LoadStateWithParam& load_state,
                                 uint64 upload_position,
@@ skipping 111 matching lines @@
   // created by the RenderViewHost.
   virtual FrameTree* GetFrameTree();
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_