Add a blocking version of the sync promo dialog

chrome/browser/ui/views/html_dialog_view.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_HTML_DIALOG_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_HTML_DIALOG_VIEW_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 70 matching lines @@
                                bool* out_close_dialog) OVERRIDE;
   virtual bool ShouldShowDialogTitle() const OVERRIDE;
   virtual bool HandleContextMenu(const ContextMenuParams& params) OVERRIDE;
 
   // Overridden from content::WebContentsDelegate:
   virtual void MoveContents(content::WebContents* source,
                             const gfx::Rect& pos) OVERRIDE;
   virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event)
       OVERRIDE;
   virtual void CloseContents(content::WebContents* source) OVERRIDE;
+  virtual content::WebContents* OpenURLFromTab(
+      content::WebContents* source,
+      const content::OpenURLParams& params) OVERRIDE;
+  virtual void AddNewContents(content::WebContents* source,
+                              content::WebContents* new_contents,
+                              WindowOpenDisposition disposition,
+                              const gfx::Rect& initial_pos,
+                              bool user_gesture) OVERRIDE;
 
  protected:
   // Register accelerators for this dialog.
   virtual void RegisterDialogAccelerators();
 
   // TabFirstRenderWatcher::Delegate implementation.
   virtual void OnRenderHostCreated(RenderViewHost* host) OVERRIDE;
   virtual void OnTabMainFrameLoaded() OVERRIDE;
   virtual void OnTabMainFrameFirstRender() OVERRIDE;
 
@@ skipping 14 matching lines @@
   // using this variable.
   HtmlDialogUIDelegate* delegate_;
 
   // Controls lifetime of dialog.
   scoped_ptr<HtmlDialogController> dialog_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(HtmlDialogView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_HTML_DIALOG_VIEW_H_