Create profile_sync_test_util in components

chrome/browser/sync/profile_sync_test_util.h

Index: chrome/browser/sync/profile_sync_test_util.h
diff --git a/chrome/browser/sync/profile_sync_test_util.h b/chrome/browser/sync/profile_sync_test_util.h
index db21a95e0b2293d1ec62075e165921147c0f68bd..928ced7ad1482e993468ece4d508add45d5b43de 100644
--- a/chrome/browser/sync/profile_sync_test_util.h
+++ b/chrome/browser/sync/profile_sync_test_util.h
@@ -12,19 +12,12 @@
 #include "base/message_loop/message_loop.h"
 #include "base/synchronization/waitable_event.h"
 #include "components/browser_sync/browser/profile_sync_service_mock.h"
-#include "components/sync_driver/sync_service_observer.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
-namespace base {
-class Thread;
-class Time;
-class TimeDelta;
-}
-
 namespace content {
 class BrowserContext;
 }
@@ -38,12 +31,6 @@ class Profile;
 class ProfileSyncServiceMock;
 class TestingProfile;
 
-// An empty syncer::NetworkTimeUpdateCallback. Used in various tests to
-// instantiate ProfileSyncService.
-void EmptyNetworkTimeUpdate(const base::Time&,
-                            const base::TimeDelta&,
-                            const base::TimeDelta&);
-
 ACTION_P(Notify, type) {
   content::NotificationService::current()->Notify(
       type,
@@ -56,14 +43,6 @@ ACTION(QuitUIMessageLoop) {
   base::MessageLoop::current()->QuitWhenIdle();
 }
 
-class SyncServiceObserverMock : public sync_driver::SyncServiceObserver {
- public:
-  SyncServiceObserverMock();
-  virtual ~SyncServiceObserverMock();
-
-  MOCK_METHOD0(OnStateChanged, void());
-};
-
 class ThreadNotifier :  // NOLINT
     public base::RefCountedThreadSafe<ThreadNotifier> {
  public: