sync: Refactor per-datatype throttling

sync/sessions/sync_session_unittest.cc

Index: sync/sessions/sync_session_unittest.cc
diff --git a/sync/sessions/sync_session_unittest.cc b/sync/sessions/sync_session_unittest.cc
index cf6b2931d208f5984cf67d6e9cc030811fd8cb11..99840500b47072b4a5545e3605b64ec8337b427e 100644
--- a/sync/sessions/sync_session_unittest.cc
+++ b/sync/sessions/sync_session_unittest.cc
@@ -9,6 +9,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/message_loop.h"
 #include "sync/engine/conflict_resolver.h"
+#include "sync/engine/throttled_data_type_tracker.h"
 #include "sync/engine/syncer_types.h"
 #include "sync/sessions/session_state.h"
 #include "sync/sessions/status_controller.h"
@@ -43,6 +44,7 @@ class SyncSessionTest : public testing::Test,
     context_.reset(
         new SyncSessionContext(
             NULL, NULL, this, &extensions_activity_monitor_,
+            &throttled_data_type_tracker_,
             std::vector<SyncEngineEventListener*>(), NULL, NULL));
     routes_.clear();
     routes_[syncable::BOOKMARKS] = GROUP_UI;
@@ -127,6 +129,7 @@ class SyncSessionTest : public testing::Test,
   std::vector<scoped_refptr<ModelSafeWorker> > workers_;
   ModelSafeRoutingInfo routes_;
   FakeExtensionsActivityMonitor extensions_activity_monitor_;
+  ThrottledDataTypeTracker throttled_data_type_tracker_;
 };
 
 TEST_F(SyncSessionTest, EnabledGroupsEmpty) {