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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_OBSERVER_H_
      6 #define CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_OBSERVER_H_
      7 
      8 #include "content/common/content_export.h"
      9 
     10 namespace content {
     11 
     12 class RenderProcessHost;
     13 
     14 // An observer API implemented by classes which are interested
     15 // in RenderProcessHost lifecycle events.
     16 class CONTENT_EXPORT RenderProcessHostObserver {
     17  public:
     18   // Called when the observed RenderProcessHost itself is destroyed.
     19   virtual void RenderProcessHostDestroyed(RenderProcessHost* host) {}
     20 
     21  protected:
     22   virtual ~RenderProcessHostObserver() {}
     23 };
     24 
     25 }  // namespace content
     26 
     27 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_OBSERVER_H_
     28