Mac: Convert all the TabDialogs to Harmony

chrome/browser/ui/views/tab_dialogs_views.h

 // Copyright 2014 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_TAB_DIALOGS_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_TAB_DIALOGS_VIEWS_H_
 
 #include "base/macros.h"
 #include "chrome/browser/ui/tab_dialogs.h"
 
@@ skipping 14 matching lines @@
       Profile* profile,
       const std::string& username,
       ui::ProfileSigninConfirmationDelegate* delegate) override;
   void ShowManagePasswordsBubble(bool user_action) override;
   void HideManagePasswordsBubble() override;
   base::WeakPtr<ValidationMessageBubble> ShowValidationMessage(
       const gfx::Rect& anchor_in_root_view,
       const base::string16& main_text,
       const base::string16& sub_text) override;
 
+ protected:
+  content::WebContents* web_contents() const { return web_contents_; }
+
  private:
   content::WebContents* web_contents_;  // Weak. Owns this.
 
   DISALLOW_COPY_AND_ASSIGN(TabDialogsViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TAB_DIALOGS_VIEWS_H_