Wait showing html dialog until renderer finish painting after page is loaded.

chrome/browser/ui/views/keyboard_overlay_dialog_view.h

Index: chrome/browser/ui/views/keyboard_overlay_dialog_view.h
diff --git a/chrome/browser/ui/views/keyboard_overlay_dialog_view.h b/chrome/browser/ui/views/keyboard_overlay_dialog_view.h
index ac5fac2e624d1751f1d02423e9312ead5ea96602..6aafc0dbc6116470d932a0bb77bb4ca09961645e 100644
--- a/chrome/browser/ui/views/keyboard_overlay_dialog_view.h
+++ b/chrome/browser/ui/views/keyboard_overlay_dialog_view.h
@@ -23,9 +23,6 @@ class KeyboardOverlayDialogView : public HtmlDialogView {
                             BrowserView* parent_view);
   virtual ~KeyboardOverlayDialogView();
 
-  // Initializes the contents of the dialog (the DOMView and the callbacks).
-  void InitDialog();
-
   // Overridden from views::View:
   virtual bool AcceleratorPressed(const views::Accelerator& accelerator);
 
@@ -33,6 +30,8 @@ class KeyboardOverlayDialogView : public HtmlDialogView {
   static void ShowDialog(gfx::NativeWindow owning_window, BrowserView* parent);
 
  private:
+  virtual void RegisterDialogAccelerators() OVERRIDE;
+
   // Returns true if |accelerator| is an accelerator for closing the dialog.
   bool IsCloseAccelerator(const views::Accelerator& accelerator);