Pass result of blockage across content API when new tab blocked.

chrome/browser/ui/views/tabs/tab_drag_controller.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_TABS_TAB_DRAG_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_DRAG_CONTROLLER_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 196 matching lines @@
   // Overridden from content::WebContentsDelegate:
   virtual content::WebContents* OpenURLFromTab(
       content::WebContents* source,
       const content::OpenURLParams& params) OVERRIDE;
   virtual void NavigationStateChanged(const content::WebContents* source,
                                       unsigned changed_flags) OVERRIDE;
   virtual void AddNewContents(content::WebContents* source,
                               content::WebContents* new_contents,
                               WindowOpenDisposition disposition,
                               const gfx::Rect& initial_pos,
-                              bool user_gesture) OVERRIDE;
+                              bool user_gesture,
+                              bool* was_blocked) OVERRIDE;
   virtual void LoadingStateChanged(content::WebContents* source) OVERRIDE;
   virtual bool ShouldSuppressDialogs() OVERRIDE;
   virtual content::JavaScriptDialogCreator*
       GetJavaScriptDialogCreator() OVERRIDE;
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
@@ skipping 350 matching lines @@
   // Non-null for the duration of RunMoveLoop.
   views::Widget* move_loop_widget_;
 
   // If non-null set to true from destructor.
   bool* destroyed_;
 
   DISALLOW_COPY_AND_ASSIGN(TabDragController);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_DRAG_CONTROLLER_H_