Add incremental updates for multipage distillation.

components/dom_distiller/content/dom_distiller_viewer_source_unittest.cc

 // Copyright 2014 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.
 
 #include "components/dom_distiller/content/dom_distiller_viewer_source.h"
 
+#include <vector>
+
 #include "base/callback.h"
+#include "components/dom_distiller/core/article_distillation_update.h"
 #include "components/dom_distiller/core/article_entry.h"
 #include "components/dom_distiller/core/dom_distiller_service.h"
 #include "components/dom_distiller/core/dom_distiller_store.h"
 #include "components/dom_distiller/core/dom_distiller_test_util.h"
 #include "components/dom_distiller/core/fake_db.h"
 #include "components/dom_distiller/core/fake_distiller.h"
 #include "components/dom_distiller/core/task_tracker.h"
 #include "components/dom_distiller/core/url_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace dom_distiller {
 
 const char kTestScheme[] = "myscheme";
 
 class FakeViewRequestDelegate : public ViewRequestDelegate {
  public:
   virtual ~FakeViewRequestDelegate() {}
   MOCK_METHOD1(OnArticleReady, void(const DistilledArticleProto* proto));
+  MOCK_METHOD1(OnArticleUpdated,
+               void(ArticleDistillationUpdate article_update));
 };
 
 class TestDomDistillerService : public DomDistillerServiceInterface {
  public:
   TestDomDistillerService() {}
   virtual ~TestDomDistillerService() {}
 
   MOCK_CONST_METHOD0(GetSyncableService, syncer::SyncableService*());
   MOCK_METHOD2(AddToList,
                const std::string(const GURL&, const ArticleAvailableCallback&));
@@ skipping 76 matching lines @@
   // Specify an internal Chrome page.
   CreateViewRequest("?" + std::string(kUrlKey) + "=chrome%3A%2F%2Fsettings%2F",
                     view_request_delegate.get());
   // Specify a recursive URL.
   CreateViewRequest("?" + std::string(kUrlKey) + "=" +
                         std::string(kTestScheme) + "%3A%2F%2Fabc-def%2F",
                     view_request_delegate.get());
 }
 
 }  // namespace dom_distiller