Moves shared history test helpers into util classes.

components/omnibox/browser/in_memory_url_index.h

Index: components/omnibox/browser/in_memory_url_index.h
diff --git a/components/omnibox/browser/in_memory_url_index.h b/components/omnibox/browser/in_memory_url_index.h
index da8639ccd00090307f1164376b21ea4315d5be87..47fb4064b6d3a618371ef8cb86df448628981c1b 100644
--- a/components/omnibox/browser/in_memory_url_index.h
+++ b/components/omnibox/browser/in_memory_url_index.h
@@ -151,6 +151,9 @@ class InMemoryURLIndex : public KeyedService,
   friend class ::HistoryQuickProviderTest;
   friend class InMemoryURLIndexTest;
   friend class InMemoryURLIndexCacheTest;
+  friend void BlockUntilInMemoryURLIndexIsRefreshed(InMemoryURLIndex* index);
+  friend void RebuildInMemoryURLIndex(InMemoryURLIndex* index,
+                                        history::HistoryService* history);

[Peter Kasting, 2016/01/30 01:09:22]

Nit: Indenting

[rohitrao (ping after 24h), 2016/01/31 15:45:56]

Done.

   FRIEND_TEST_ALL_PREFIXES(InMemoryURLIndexTest, ExpireRow);
   FRIEND_TEST_ALL_PREFIXES(LimitedInMemoryURLIndexTest, Initialization);