Add support for distilling arbitrary URLs in DOM Distiller Viewer.

components/dom_distiller/core/task_tracker.h

 // Copyright 2013 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 COMPONENTS_DOM_DISTILLER_CORE_TASK_TRACKER_H_
 #define COMPONENTS_DOM_DISTILLER_CORE_TASK_TRACKER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "components/dom_distiller/core/article_entry.h"
 #include "components/dom_distiller/core/distiller.h"
 #include "components/dom_distiller/core/proto/distilled_page.pb.h"
 
 class GURL;
 
 namespace dom_distiller {
 
 class DistilledArticleProto;
 
 // A handle to a request to view a DOM distiller entry or URL. The request will
 // be cancelled when the handle is destroyed.
 class ViewerHandle {
+ public:
   typedef base::Callback<void()> CancelCallback;
-
- public:
   explicit ViewerHandle(CancelCallback callback);
   ~ViewerHandle();
 
  private:
   CancelCallback cancel_callback_;
   DISALLOW_COPY_AND_ASSIGN(ViewerHandle);
 };
 
 // Interface for a DOM distiller entry viewer. Implement this to make a view
 // request and receive the data for an entry when it becomes available.
@@ skipping 81 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<TaskTracker> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskTracker);
 };
 
 }  // namespace dom_distiller
 
 #endif  // COMPONENTS_DOM_DISTILLER_CORE_TASK_TRACKER_H_