sync: Refactor per-datatype throttling

sync/engine/sync_scheduler_whitebox_unittest.cc

Index: sync/engine/sync_scheduler_whitebox_unittest.cc
diff --git a/sync/engine/sync_scheduler_whitebox_unittest.cc b/sync/engine/sync_scheduler_whitebox_unittest.cc
index 1b67a18d2d0b592031c143320a947d646e1fe505..afc778377715109074b2ff19356c90bf68dee83f 100644
--- a/sync/engine/sync_scheduler_whitebox_unittest.cc
+++ b/sync/engine/sync_scheduler_whitebox_unittest.cc
@@ -4,6 +4,7 @@
 
 #include "base/message_loop.h"
 #include "base/time.h"
+#include "sync/engine/throttled_data_type_tracker.h"
 #include "sync/engine/sync_scheduler.h"
 #include "sync/sessions/sync_session_context.h"
 #include "sync/sessions/test_util.h"
@@ -38,6 +39,7 @@ class SyncSchedulerWhiteboxTest : public testing::Test {
         new SyncSessionContext(
             connection_.get(), dir_maker_.directory(),
             registrar_.get(), &extensions_activity_monitor_,
+            &throttled_data_type_tracker_,
             std::vector<SyncEngineEventListener*>(), NULL, NULL);
     context_->set_notifications_enabled(true);
     context_->set_account_name("Test");
@@ -109,6 +111,7 @@ class SyncSchedulerWhiteboxTest : public testing::Test {
   SyncSessionContext* context_;
   scoped_ptr<FakeModelSafeWorkerRegistrar> registrar_;
   FakeExtensionsActivityMonitor extensions_activity_monitor_;
+  ThrottledDataTypeTracker throttled_data_type_tracker_;
   TestDirectorySetterUpper dir_maker_;
 };
 
@@ -131,8 +134,8 @@ TEST_F(SyncSchedulerWhiteboxTest, SaveNudgeWhileTypeThrottled) {
   types.Put(syncable::BOOKMARKS);
 
   // Mark bookmarks as throttled.
-  context()->SetUnthrottleTime(types,
-      base::TimeTicks::Now() + base::TimeDelta::FromHours(2));
+  context()->throttled_data_type_tracker()->SetUnthrottleTime(
+      types, base::TimeTicks::Now() + base::TimeDelta::FromHours(2));
 
   syncable::ModelTypePayloadMap types_with_payload;
   types_with_payload[syncable::BOOKMARKS] = "";