[headless] AddWindowTreeClient

headless/public/headless_web_contents.h

 // Copyright 2015 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 HEADLESS_PUBLIC_HEADLESS_WEB_CONTENTS_H_
 #define HEADLESS_PUBLIC_HEADLESS_WEB_CONTENTS_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 25 matching lines @@
 
    private:
     DISALLOW_COPY_AND_ASSIGN(Observer);
   };
 
   // Add or remove an observer to receive events from this WebContents.
   // |observer| must outlive this class or be removed prior to being destroyed.
   virtual void AddObserver(Observer* observer) = 0;
   virtual void RemoveObserver(Observer* observer) = 0;
 
+  // Close this page. |HeadlessWebContents| object will be destroyed.
+  virtual void Close() = 0;
+
  private:
   friend class HeadlessWebContentsImpl;
   HeadlessWebContents() {}
 
   DISALLOW_COPY_AND_ASSIGN(HeadlessWebContents);
 };
 
 }  // namespace headless
 
 #endif  // HEADLESS_PUBLIC_HEADLESS_WEB_CONTENTS_H_