make new syncer thread the default.

chrome/browser/sync/test_profile_sync_service.cc

Index: chrome/browser/sync/test_profile_sync_service.cc
diff --git a/chrome/browser/sync/test_profile_sync_service.cc b/chrome/browser/sync/test_profile_sync_service.cc
index 02b44ef5a473daf90eff6ca4c96d21c449eb09ef..c36cd49c2f0981819f353210fda794b677811e0f 100644
--- a/chrome/browser/sync/test_profile_sync_service.cc
+++ b/chrome/browser/sync/test_profile_sync_service.cc
@@ -24,14 +24,6 @@ using syncable::ModelType;
 using syncable::ScopedDirLookup;
 using sync_api::UserShare;
 
-ACTION_P(CallOnPaused, core) {
-  core->OnPaused();
-};
-
-ACTION_P(CallOnResumed, core) {
-  core->OnResumed();
-}
-
 namespace browser_sync {
 
 using ::testing::_;
@@ -41,21 +33,10 @@ SyncBackendHostForProfileSyncTest::SyncBackendHostForProfileSyncTest(
     bool synchronous_init)
     : browser_sync::SyncBackendHost(profile),
       synchronous_init_(synchronous_init) {
-  // By default, the RequestPause and RequestResume methods will
-  // send the confirmation notification and return true.
-  ON_CALL(*this, RequestPause()).
-      WillByDefault(testing::DoAll(CallOnPaused(core_),
-                                   testing::Return(true)));
-  ON_CALL(*this, RequestResume()).
-      WillByDefault(testing::DoAll(CallOnResumed(core_),
-                                   testing::Return(true)));
   ON_CALL(*this, RequestNudge(_)).WillByDefault(
       testing::Invoke(this,
                       &SyncBackendHostForProfileSyncTest::
                       SimulateSyncCycleCompletedInitialSyncEnded));
-
-  EXPECT_CALL(*this, RequestPause()).Times(testing::AnyNumber());
-  EXPECT_CALL(*this, RequestResume()).Times(testing::AnyNumber());
   EXPECT_CALL(*this, RequestNudge(_)).Times(testing::AnyNumber());
 }