[Sync] Add support for server controlled nudge delays

sync/internal_api/sync_manager_impl_unittest.cc

Index: sync/internal_api/sync_manager_impl_unittest.cc
diff --git a/sync/internal_api/sync_manager_impl_unittest.cc b/sync/internal_api/sync_manager_impl_unittest.cc
index 5d730f3e87dc75c139b47a5402af6961c7e4a9f6..408d739d2960213ea6bdfbaa9fa4636fb4a3f9d8 100644
--- a/sync/internal_api/sync_manager_impl_unittest.cc
+++ b/sync/internal_api/sync_manager_impl_unittest.cc
@@ -1609,23 +1609,6 @@ TEST_F(SyncManagerTest, SetPassphraseWithEmptyPasswordNode) {
   }
 }
 
-TEST_F(SyncManagerTest, NudgeDelayTest) {
-  EXPECT_EQ(
-      sync_manager_.GetNudgeDelayTimeDelta(BOOKMARKS),
-      base::TimeDelta::FromMilliseconds(SyncManagerImpl::GetSlowNudgeDelay()));
-
-  EXPECT_EQ(sync_manager_.GetNudgeDelayTimeDelta(AUTOFILL),
-            base::TimeDelta::FromSeconds(kDefaultShortPollIntervalSeconds));
-
-  EXPECT_EQ(
-      sync_manager_.GetNudgeDelayTimeDelta(PREFERENCES),
-      base::TimeDelta::FromMilliseconds(SyncManagerImpl::GetSlowNudgeDelay()));
-
-  EXPECT_EQ(sync_manager_.GetNudgeDelayTimeDelta(EXTENSIONS),
-            base::TimeDelta::FromMilliseconds(
-                SyncManagerImpl::GetDefaultNudgeDelay()));
-}
-
 // Friended by WriteNode, so can't be in an anonymouse namespace.
 TEST_F(SyncManagerTest, EncryptBookmarksWithLegacyData) {
   EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));