USS SyncContextProxy / data type activation refactoring

sync/test/engine/injectable_sync_context_proxy.cc

Index: sync/test/engine/injectable_sync_context_proxy.cc
diff --git a/sync/test/engine/injectable_sync_context_proxy.cc b/sync/test/engine/injectable_sync_context_proxy.cc
index e194f26e637e169742051d6021bed5b07c9d5645..eb14c2ffc427cd27fed4584521df352024f2c565 100644
--- a/sync/test/engine/injectable_sync_context_proxy.cc
+++ b/sync/test/engine/injectable_sync_context_proxy.cc
@@ -19,9 +19,7 @@ InjectableSyncContextProxy::~InjectableSyncContextProxy() {
 
 void InjectableSyncContextProxy::ConnectTypeToSync(
     syncer::ModelType type,
-    const DataTypeState& data_type_state,
-    const UpdateResponseDataList& response_list,
-    const base::WeakPtr<ModelTypeProcessor>& type_processor) {
+    scoped_ptr<ActivationContext> activation_context) {
   // This class is allowed to participate in only one connection.
   DCHECK(!is_worker_connected_);
   is_worker_connected_ = true;
@@ -30,7 +28,7 @@ void InjectableSyncContextProxy::ConnectTypeToSync(
   // an unsafe pointer to it.  This is why we can only connect once.
   scoped_ptr<CommitQueue> queue(queue_);
 
-  type_processor->OnConnect(queue.Pass());
+  activation_context->type_processor->OnConnect(queue.Pass());
 }
 
 void InjectableSyncContextProxy::Disconnect(syncer::ModelType type) {