Separate handler initialization from page initialization

chrome/browser/ui/webui/options2/options_ui2.h

Index: chrome/browser/ui/webui/options2/options_ui2.h
diff --git a/chrome/browser/ui/webui/options2/options_ui2.h b/chrome/browser/ui/webui/options2/options_ui2.h
index 09faebefe7328a1d145a7121234aad53f9e775d0..e38b351996f0f49c76b039b0455a31d5c7408c3b 100644
--- a/chrome/browser/ui/webui/options2/options_ui2.h
+++ b/chrome/browser/ui/webui/options2/options_ui2.h
@@ -92,6 +92,7 @@ class OptionsPageUIHandler : public content::WebUIMessageHandler,
 class OptionsPageUIHandlerHost {
  public:
   virtual void InitializeHandlers() = 0;
+  virtual void InitializePages() = 0;
 
  protected:
   virtual ~OptionsPageUIHandlerHost() {}
@@ -121,6 +122,7 @@ class OptionsUI : public content::WebUIController,
 
   // Overridden from OptionsPageUIHandlerHost:
   virtual void InitializeHandlers() OVERRIDE;
+  virtual void InitializePages() OVERRIDE;
 
  private:
   // Adds OptionsPageUiHandler to the handlers list if handler is enabled.