[dom_distiller] Add support for incremental viewer.

components/dom_distiller/core/distiller.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_DISTILLER_H_
 #define COMPONENTS_DOM_DISTILLER_CORE_DISTILLER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 74 matching lines @@
   // as page numbers relative to the page number where distillation started.
   // E.g. if distillation starts at page 2 for a 3 page article. The relative
   // page numbers assigned to pages will be [-1,0,1].
 
   // Class representing the state of a page under distillation.
   struct DistilledPageData {
     DistilledPageData();
     virtual ~DistilledPageData();
     // Relative page number of the page.
     int page_num;
-    std::string title;
     ScopedVector<DistillerURLFetcher> image_fetchers_;
     scoped_refptr<base::RefCountedData<DistilledPageProto> >
         distilled_page_proto;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(DistilledPageData);
   };
 
   void OnFetchImageDone(int page_num,
                         DistillerURLFetcher* url_fetcher,
@@ skipping 73 matching lines @@
   bool destruction_allowed_;
 
   base::WeakPtrFactory<DistillerImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DistillerImpl);
 };
 
 }  // namespace dom_distiller
 
 #endif  // COMPONENTS_DOM_DISTILLER_CORE_DISTILLER_H_