Collect more data to send in crash reports for a crasher that's stumping me.

content/browser/plugin_process_host.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_PLUGIN_PROCESS_HOST_H_
 #define CONTENT_BROWSER_PLUGIN_PROCESS_HOST_H_
 
 #include "build/build_config.h"
 
 #include <list>
@@ skipping 171 matching lines @@
   // Tracks modal windows currently visible.
   std::set<uint32> plugin_modal_windows_set_;
   // Tracks the current visibility of the cursor.
   bool plugin_cursor_visible_;
 #endif
 
   // Map from render_process_id to its ResourceContext
   typedef std::map<int, ResourceContext*> ResourceContextMap;
   ResourceContextMap resource_context_map_;
 
+  // Debugging http://crbug.com/302530
+  std::set<int> removed_pids_;
+
   scoped_ptr<BrowserChildProcessHostImpl> process_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginProcessHost);
 };
 
 class PluginProcessHostIterator
     : public BrowserChildProcessHostTypeIterator<PluginProcessHost> {
  public:
   PluginProcessHostIterator()
       : BrowserChildProcessHostTypeIterator<PluginProcessHost>(
           PROCESS_TYPE_PLUGIN) {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_PLUGIN_PROCESS_HOST_H_