Distinguish plugin disconnections from plugin crashes.

content/shell/webkit_test_controller.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_SHELL_WEBKIT_TEST_CONTROLLER_H_
 #define CONTENT_SHELL_WEBKIT_TEST_CONTROLLER_H_
 
 #include <ostream>
 #include <string>
 
@@ skipping 81 matching lines @@
   }
   bool should_stay_on_page_after_handling_before_unload() const {
     return should_stay_on_page_after_handling_before_unload_;
   }
 
   // This method can be invoked on any thread.
   bool CanOpenWindows() const;
 
   // WebContentsObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-  virtual void PluginCrashed(const FilePath& plugin_path) OVERRIDE;
+  virtual void PluginCrashed(const FilePath& plugin_path,
+                             base::ProcessId plugin_pid) OVERRIDE;
   virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
   virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE;
   virtual void WebContentsDestroyed(WebContents* web_contents) OVERRIDE;
 
   // NotificationObserver implementation.
   virtual void Observe(int type,
                        const NotificationSource& source,
                        const NotificationDetails& details) OVERRIDE;
 
  private:
@@ skipping 55 matching lines @@
   bool can_open_windows_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(WebKitTestController);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_WEBKIT_TEST_CONTROLLER_H_