Add GetMessageHandlers to HtmlDialogUIDelegate to allow...

chrome/browser/dom_ui/tips_handler.h

Index: chrome/browser/dom_ui/tips_handler.h
===================================================================
--- chrome/browser/dom_ui/tips_handler.h	(revision 19317)
+++ chrome/browser/dom_ui/tips_handler.h	(working copy)
@@ -32,9 +32,12 @@
 
 class TipsHandler : public DOMMessageHandler {
  public:
-  explicit TipsHandler(DOMUI* dom_ui);
+  TipsHandler() : tips_cache_(NULL) { }
+  virtual ~TipsHandler() { }
 
-  TipsHandler();
+  // DOMMessageHandler implementation and overrides. 
+  virtual DOMMessageHandler* Attach(DOMUI* dom_ui); 
+  virtual void RegisterMessages();
 
   // Callback which pulls tips data from the preferences.
   void HandleGetTips(const Value* content);
@@ -43,9 +46,6 @@
   static void RegisterUserPrefs(PrefService* prefs);
 
  private:
-  // So we can push data out to the page that has called this handler.
-  DOMUI* dom_ui_;
-
   // Filled with data from cache in preferences.
   const DictionaryValue* tips_cache_;