Componentize TopSites, TopSitesBackend, TopSitesDatabase

chrome/browser/thumbnails/thumbnail_service_unittest.cc

 // Copyright (c) 2012 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 "chrome/browser/thumbnails/thumbnail_service_impl.h"
 
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/history/top_sites_factory.h"
 #include "chrome/browser/history/top_sites_impl.h"
 #include "chrome/test/base/testing_profile.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 typedef testing::Test ThumbnailServiceTest;
 
 namespace {
 
 // A mock version of TopSitesImpl, used for testing
 // ShouldAcquirePageThumbnail().
 class MockTopSites : public history::TopSitesImpl {
  public:
   explicit MockTopSites(Profile* profile)
-      : history::TopSitesImpl(profile), capacity_(1) {}
+      : history::TopSitesImpl(profile, history::PrepopulatedPageList()),
+        capacity_(1) {}
 
   // history::TopSitesImpl overrides.
   bool IsNonForcedFull() override { return known_url_map_.size() >= capacity_; }
   bool IsForcedFull() override { return false; }
   bool IsKnownURL(const GURL& url) override {
     return known_url_map_.find(url.spec()) != known_url_map_.end();
   }
   bool GetPageThumbnailScore(const GURL& url, ThumbnailScore* score) override {
     std::map<std::string, ThumbnailScore>::const_iterator iter =
         known_url_map_.find(url.spec());
@@ skipping 75 matching lines @@
   good_score.at_top = true;
   good_score.good_clipping = true;
   good_score.boring_score = 0.0;
   good_score.load_completed = true;
   mock_top_sites->AddKnownURL(kGoodURL, good_score);
 
   // Should be false, as the existing thumbnail is good enough (i.e. don't
   // need to replace the existing thumbnail which is new and good).
   EXPECT_FALSE(thumbnail_service->ShouldAcquirePageThumbnail(kGoodURL));
 }