Add TopSites::GetTemporaryThumbnailScore().

chrome/browser/history/top_sites_unittest.cc

Index: chrome/browser/history/top_sites_unittest.cc
diff --git a/chrome/browser/history/top_sites_unittest.cc b/chrome/browser/history/top_sites_unittest.cc
index a806b8d83fac96d7bdda5c96ab588aca94fcba95..31aea0a3e9d1b0365390f6eaa0f08f1373a33de1 100644
--- a/chrome/browser/history/top_sites_unittest.cc
+++ b/chrome/browser/history/top_sites_unittest.cc
@@ -1095,9 +1095,16 @@ TEST_F(TopSitesTest, AddTemporaryThumbnail) {
                                             thumbnail,
                                             medium_score));
 
-  // We shouldn't get the thumnail back though (the url isn't in to sites yet).
+  // The URL is unknown.
+  EXPECT_FALSE(top_sites()->IsKnownURL(unknown_url));
+  // We should be able to get the thumnail back even if the url isn't in
+  // to sites yet.
   scoped_refptr<RefCountedBytes> out;
-  EXPECT_FALSE(top_sites()->GetPageThumbnail(unknown_url, &out));
+  EXPECT_TRUE(top_sites()->GetPageThumbnail(unknown_url, &out));
+  EXPECT_TRUE(ThumbnailEqualsBytes(thumbnail, out.get()));
+  ThumbnailScore out_score;
+  EXPECT_TRUE(top_sites()->GetPageThumbnailScore(unknown_url, &out_score));
+  EXPECT_TRUE(medium_score.Equals(out_score));
 
   std::vector<MostVisitedURL> list;
 
@@ -1108,11 +1115,10 @@ TEST_F(TopSitesTest, AddTemporaryThumbnail) {
   mv.redirects.push_back(url1b);
   list.push_back(mv);
 
-  // Update URLs. This should result in using thumbnail.
+  // Update URLs. This should result in making the URL known.
   SetTopSites(list);
 
-  ASSERT_TRUE(top_sites()->GetPageThumbnail(unknown_url, &out));
-  EXPECT_TRUE(ThumbnailEqualsBytes(thumbnail, out.get()));
+  EXPECT_TRUE(top_sites()->IsKnownURL(unknown_url));
 }
 
 // Tests variations of blacklisting.