[Sync] Move keystore key handling to SyncEncryptionHandlerImpl

sync/internal_api/sync_manager_impl.cc

Index: sync/internal_api/sync_manager_impl.cc
diff --git a/sync/internal_api/sync_manager_impl.cc b/sync/internal_api/sync_manager_impl.cc
index 13f2ae42a3276cbcdf3d69d8617cae30f3d0c6f3..a0fa57cca51cb690ca4210c6943e0a75422f049c 100644
--- a/sync/internal_api/sync_manager_impl.cc
+++ b/sync/internal_api/sync_manager_impl.cc
@@ -385,7 +385,9 @@ void SyncManagerImpl::Init(
 
   sync_encryption_handler_.reset(new SyncEncryptionHandlerImpl(
       &share_,
-      encryptor));
+      encryptor,
+      restored_key_for_bootstrapping,
+      restored_keystore_key_for_bootstrapping));
   sync_encryption_handler_->AddObserver(this);
   sync_encryption_handler_->AddObserver(&debug_info_event_listener_);
   sync_encryption_handler_->AddObserver(&js_sync_encryption_handler_observer_);
@@ -465,15 +467,6 @@ void SyncManagerImpl::Init(
 
   UpdateCredentials(credentials);
 
-  // Cryptographer should only be accessed while holding a
-  // transaction.  Grabbing the user share for the transaction
-  // checks the initialization state, so this must come after
-  // |initialized_| is set to true.
-  ReadTransaction trans(FROM_HERE, GetUserShare());
-  trans.GetCryptographer()->Bootstrap(restored_key_for_bootstrapping);
-  trans.GetCryptographer()->BootstrapKeystoreKey(
-      restored_keystore_key_for_bootstrapping);
-
   FOR_EACH_OBSERVER(SyncManager::Observer, observers_,
                     OnInitializationComplete(
                         MakeWeakHandle(weak_ptr_factory_.GetWeakPtr()),
@@ -539,7 +532,8 @@ void SyncManagerImpl::OnPassphraseAccepted() {
 }
 
 void SyncManagerImpl::OnBootstrapTokenUpdated(
-    const std::string& bootstrap_token) {
+    const std::string& bootstrap_token,
+    BootstrapTokenType type) {
   // Does nothing.
 }
 
@@ -688,11 +682,6 @@ void SyncManagerImpl::UnregisterInvalidationHandler(
   invalidator_->UnregisterHandler(handler);
 }
 
-bool SyncManagerImpl::GetKeystoreKeyBootstrapToken(std::string* token) {
-  ReadTransaction trans(FROM_HERE, GetUserShare());
-  return trans.GetCryptographer()->GetKeystoreKeyBootstrapToken(token);
-}
-
 void SyncManagerImpl::AddObserver(SyncManager::Observer* observer) {
   DCHECK(thread_checker_.CalledOnValidThread());
   observers_.AddObserver(observer);