Add a blocking version of the sync promo dialog

chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h

 // Copyright (c) 2011 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_WEBUI_HTML_DIALOG_TAB_CONTENTS_DELEGATE_H_
 #define CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_TAB_CONTENTS_DELEGATE_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "content/public/browser/web_contents_delegate.h"
 
+class Browser;
 class Profile;
 
 // This class implements (and mostly ignores) most of
 // content::WebContentsDelegate for use in an HTML dialog. Subclasses need only
 // override a few methods instead of the everything from
 // content::WebContentsDelegate; this way, implementations on all platforms
 // behave consistently.
 class HtmlDialogTabContentsDelegate : public content::WebContentsDelegate {
  public:
+  // Opens the URL. On return |out_new_contents| contains the WebContents the
+  // URL is opened in. Returns the browser spawned by the operatoin.
+  static Browser* StaticOpenURLFromTab(Profile* profile,
+                                       content::WebContents* source,
+                                       const content::OpenURLParams& params,
+                                       content::WebContents** out_new_contents);
+
+  // Creates a new tab with |new_contents|. Returns the browser spawned by the
+  // operation.
+  static Browser* StaticAddNewContents(Profile* profile,
+                                       content::WebContents* source,
+                                       content::WebContents* new_contents,
+                                       WindowOpenDisposition disposition,
+                                       const gfx::Rect& initial_pos,
+                                       bool user_gesture);
+
   // Profile must be non-NULL.
   explicit HtmlDialogTabContentsDelegate(Profile* profile);
 
   virtual ~HtmlDialogTabContentsDelegate();
 
   // The returned profile is guaranteed to be original if non-NULL.
   Profile* profile() const;
 
   // Calling this causes all following events sent from the
   // TabContents object to be ignored.  It also makes all following
@@ skipping 14 matching lines @@
       const content::WebContents* source) const OVERRIDE;
   virtual bool ShouldAddNavigationToHistory(
       const history::HistoryAddPageArgs& add_page_args,
       content::NavigationType navigation_type) OVERRIDE;
 
  private:
   Profile* profile_;  // Weak pointer.  Always an original profile.
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_TAB_CONTENTS_DELEGATE_H_