API change of AIFilePicker.

Call AIFilePicker::create() instead of new AIFilePicker.
Renamed deleteMe() to kill() and bs_deleted to bs_killed.
Only default to auto destruct when created with create(true),
otherwise kill() has to be called explicitely.

indra/newview/statemachine/aifilepicker.h

@@ -132,7 +132,7 @@ new AIFilePicker
   which sets the state to AIFilePicker_canceled or AIFilePicker_done
   respectively, causing a call to AIStateMachine::finish(), which calls
   AIFilePicker::finish_impl which destroys the plugin (mPluginBase),
-  the plugin manager (mPluginManager) and calls AIStateMachine::deleteMe()
+  the plugin manager (mPluginManager) and calls AIStateMachine::kill()
   causing the AIFilePicker to be deleted.
 
 */
@@ -150,6 +150,9 @@ class AIFilePicker : public AIStateMachine {
 public:
 	AIFilePicker(void);
 
+	// Create a dynamically created AIFilePicker object.
+	static AIFilePicker* create(bool auto_kill = true) { AIFilePicker* filepicker = new AIFilePicker; filepicker->mAutoKill = auto_kill; return filepicker; }
+
 	// The starting directory that the user will be in when the file picker opens
 	// will be the same as the directory used the last time the file picker was
 	// opened with the same context. If the file picker was never opened before
@@ -184,6 +187,7 @@ private:
 	typedef std::map<std::string, std::string> context_map_type;	//!< Type of mContextMap.
 	static AIThreadSafeSimple<context_map_type> sContextMap;		//!< Map context (ie, "snapshot" or "image") to last used folder.
 	std::string mContext;											//!< Some key to indicate the context (remembers the folder per key).
+	bool mAutoKill;													//!< True if the default behavior is to delete itself after being finished.
 
 	// Input variables (cache variable between call to open and run).
 	open_type mOpenType;					//!< Set to whether opening a filepicker to select for saving one file, for loading one file, or loading multiple files.