Retry: sync: Gracefully handle early shutdown

sync/engine/syncer_proto_util_unittest.cc

Index: sync/engine/syncer_proto_util_unittest.cc
diff --git a/sync/engine/syncer_proto_util_unittest.cc b/sync/engine/syncer_proto_util_unittest.cc
index c28813206d34a189a125b6f207647197b28d0172..ff37e56a51de78a3fa9a5596073ebe28e08691f0 100644
--- a/sync/engine/syncer_proto_util_unittest.cc
+++ b/sync/engine/syncer_proto_util_unittest.cc
@@ -10,6 +10,7 @@
 #include "base/compiler_specific.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
+#include "sync/internal_api/public/base/cancelation_signal.h"
 #include "sync/internal_api/public/base/model_type_test_util.h"
 #include "sync/protocol/bookmark_specifics.pb.h"
 #include "sync/protocol/password_specifics.pb.h"
@@ -254,8 +255,8 @@ TEST_F(SyncerProtoUtilTest, AddRequestBirthday) {
 
 class DummyConnectionManager : public ServerConnectionManager {
  public:
-  DummyConnectionManager()
-      : ServerConnectionManager("unused", 0, false, false),
+  DummyConnectionManager(CancelationSignal* signal)
+      : ServerConnectionManager("unused", 0, false, false, signal),
         send_error_(false),
         access_denied_(false) {}
 
@@ -290,7 +291,8 @@ class DummyConnectionManager : public ServerConnectionManager {
 };
 
 TEST_F(SyncerProtoUtilTest, PostAndProcessHeaders) {
-  DummyConnectionManager dcm;
+  CancelationSignal signal;
+  DummyConnectionManager dcm(&signal);
   ClientToServerMessage msg;
   SyncerProtoUtil::SetProtocolVersion(&msg);
   msg.set_share("required");