Add incremental updates for multipage distillation.

components/dom_distiller/core/fake_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_FAKE_DISTILLER_H_
 #define COMPONENTS_DOM_DISTILLER_CORE_FAKE_DISTILLER_H_
 
+#include "components/dom_distiller/core/article_distillation_update.h"
 #include "components/dom_distiller/core/article_entry.h"
 #include "components/dom_distiller/core/distiller.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "url/gurl.h"
 
 class GURL;
 
 namespace dom_distiller {
 namespace test {
 
 class MockDistillerFactory : public DistillerFactory {
  public:
   MockDistillerFactory();
   virtual ~MockDistillerFactory();
   MOCK_METHOD0(CreateDistillerImpl, Distiller*());
   virtual scoped_ptr<Distiller> CreateDistiller() OVERRIDE {
     return scoped_ptr<Distiller>(CreateDistillerImpl());
   }
 };
 
 class FakeDistiller : public Distiller {
  public:
   explicit FakeDistiller(bool execute_callback);
   virtual ~FakeDistiller();
   MOCK_METHOD0(Die, void());
 
   virtual void DistillPage(const GURL& url,
-                           const DistillerCallback& callback) OVERRIDE;
+                           const DistillationFinishedCallback& article_callback,
+                           const DistillationUpdateCallback& page_callback)
+      OVERRIDE;
 
   void RunDistillerCallback(scoped_ptr<DistilledArticleProto> proto);
 
   GURL GetUrl() { return url_; }
 
-  DistillerCallback GetCallback() { return callback_; }
+  DistillationFinishedCallback GetArticleCallback() {
+    return article_callback_;
+  }
 
  private:
   void RunDistillerCallbackInternal(scoped_ptr<DistilledArticleProto> proto);
 
   bool execute_callback_;
   GURL url_;
-  DistillerCallback callback_;
+  DistillationFinishedCallback article_callback_;
+  DistillationUpdateCallback page_callback_;
 };
 
 }  // namespace test
 }  // namespace dom_distiller
 
 #endif  // COMPONENTS_DOM_DISTILLER_CORE_FAKE_DISTILLER_H_