sync: Report GetUpdate triggers to the server

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 118e64bd2d29579bb79c63e25e04de4f5d77326d..153a342c6aed210f79fdafdc456d6c3459250b83 100644
--- a/sync/sessions/sync_session_unittest.cc
+++ b/sync/sessions/sync_session_unittest.cc
@@ -33,7 +33,9 @@ class SyncSessionTest : public testing::Test,
   SyncSessionTest() : controller_invocations_allowed_(false) {}
 
   SyncSession* MakeSession() {
-    return new SyncSession(context_.get(), this, SyncSourceInfo());
+    return SyncSession::Build(context_.get(),
+                              this,
+                              SyncSourceInfo());
   }
 
   virtual void SetUp() {
@@ -95,6 +97,11 @@ class SyncSessionTest : public testing::Test,
       const base::TimeDelta& new_delay) OVERRIDE {
     FailControllerInvocationIfDisabled("OnReceivedSessionsCommitDelay");
   }
+  virtual void OnReceivedClientInvalidationHintBufferSize(
+      int size) OVERRIDE {
+    FailControllerInvocationIfDisabled(
+        "OnReceivedClientInvalidationHintBufferSize");
+  }
   virtual void OnShouldStopSyncingPermanently() OVERRIDE {
     FailControllerInvocationIfDisabled("OnShouldStopSyncingPermanently");
   }