Initial clear server data impl

chrome/browser/sync/test/integration/profile_sync_service_harness.h

Index: chrome/browser/sync/test/integration/profile_sync_service_harness.h
diff --git a/chrome/browser/sync/test/integration/profile_sync_service_harness.h b/chrome/browser/sync/test/integration/profile_sync_service_harness.h
index b4b82eb24c0a4f98daa69dad2a1b7ed36558a8a8..eafeae8c2a1cdaff4f91ed26df9dc643aafef87e 100644
--- a/chrome/browser/sync/test/integration/profile_sync_service_harness.h
+++ b/chrome/browser/sync/test/integration/profile_sync_service_harness.h
@@ -55,9 +55,20 @@ class ProfileSyncServiceHarness {
   // changes.
   bool SetupSync();
 
+  // Setup sync without the authenticating through the passphrase encryption.
+  // Use this method when you need to setup a client that you're going to call
+  // RestartSyncService() directly after.
+  bool SetupSyncForClear();
+
+  // Both SetupSync and SetupSyncForClear call into this method.
   // Same as the above method, but enables sync only for the datatypes contained
   // in |synced_datatypes|.
-  bool SetupSync(syncer::ModelTypeSet synced_datatypes);
+  bool SetupSync(syncer::ModelTypeSet synced_datatypes, bool forClear = false);
+
+  // Restart sync service to simulate a sign-in/sign-out. This is useful
+  // to recover from a lost birthday. Use directly after a clear server data
+  // command to start from clean slate.
+  bool RestartSyncService();
 
   // Calling this acts as a barrier and blocks the caller until |this| and
   // |partner| have both completed a sync cycle.  When calling this method,
@@ -88,6 +99,9 @@ class ProfileSyncServiceHarness {
   // method for the definition of engine initialization.
   bool AwaitEngineInitialization();
 
+  // Same as above, but without checks for passphrase decryption.
+  bool AwaitEngineInitializationForClear();
+
   // Blocks the caller until sync setup is complete. Returns true if and only
   // if sync setup completed successfully. See syncer::SyncService's
   // IsSyncActive() method for the definition of what successful means here.