Clean up PluginDataRemover.

chrome/browser/plugin_data_remover.h

Index: chrome/browser/plugin_data_remover.h
diff --git a/chrome/browser/plugin_data_remover.h b/chrome/browser/plugin_data_remover.h
index cbc255678aeac711efbf95dc7f7251ec00185cc2..b27c25040ea31cbb797e89f20da3574cc39b4b18 100644
--- a/chrome/browser/plugin_data_remover.h
+++ b/chrome/browser/plugin_data_remover.h
@@ -18,16 +18,28 @@ namespace base {
 class MessageLoopProxy;
 }
 
-class PluginDataRemover : public PluginProcessHost::Client,
+class PluginDataRemover : public base::RefCountedThreadSafe<PluginDataRemover>,
+                          public PluginProcessHost::Client,
                           public IPC::Channel::Listener {
  public:
   PluginDataRemover();
   ~PluginDataRemover();

[jam, 2010/12/14 17:34:19]

nit: ref counted objects should have a private constructor, to avoid someone
deleting the object accidentally.

[Bernhard Bauer, 2010/12/14 20:38:37]

Right, done.

 
-  // Starts removing plug-in data stored since |begin_time| and calls
-  // |done_task| on the current thread when finished.
+  // Starts removing plug-in data stored since |begin_time|. If |done_task| is
+  // not NULL, it is run on the current thread when removing has finished.
   void StartRemoving(base::Time begin_time, Task* done_task);
 
+  // Returns whether there is a plug-in installed that supports removing
+  // LSO data. Because this method possibly has to load the plug-in list, it
+  // should only be called on the FILE thread.
+  static bool IsSupported();
+
+  bool is_removing() { return is_removing_; }

[jam, 2010/12/14 17:34:19]

nit: const

[Bernhard Bauer, 2010/12/14 20:38:37]

Done.

+
+  // Sets the task to run when removing has finished. Takes ownership of
+  // the passed task.
+  void set_done_task(Task* task) { done_task_.reset(task); }
+
   // PluginProcessHost::Client methods
   virtual int ID();
   virtual bool OffTheRecord();
@@ -41,17 +53,20 @@ class PluginDataRemover : public PluginProcessHost::Client,
 
  private:
   void SignalDone();
-  void SignalError();
+  void ConnectToChannel(const IPC::ChannelHandle& handle);
   void OnClearSiteDataResult(bool success);
   void OnTimeout();
 
   scoped_refptr<base::MessageLoopProxy> message_loop_;
+  bool is_removing_;
   scoped_ptr<Task> done_task_;
+  // The point in time when we start removing data.
+  base::Time remove_start_time_;
+  // The point in time from which on we remove data.
   base::Time begin_time_;
   // We own the channel, but it's used on the IO thread, so it needs to be
   // deleted there as well.
   IPC::Channel* channel_;
-  ScopedRunnableMethodFactory<PluginDataRemover> method_factory_;
 };
 
 #endif  // CHROME_BROWSER_PLUGIN_DATA_REMOVER_H_