sync: cut a few profile deps from DataTypeControllers.

components/sync_driver/data_type_controller.cc

Index: components/sync_driver/data_type_controller.cc
diff --git a/components/sync_driver/data_type_controller.cc b/components/sync_driver/data_type_controller.cc
index aa975d2f16cd377fb7405f115087f19568a2f648..24f463cd30a4532a4225145f8948a682cdc5ac29 100644
--- a/components/sync_driver/data_type_controller.cc
+++ b/components/sync_driver/data_type_controller.cc
@@ -5,6 +5,7 @@
 #include "components/sync_driver/data_type_controller.h"
 
 #include "sync/internal_api/public/base/model_type.h"
+#include "sync/internal_api/public/user_share.h"
 #include "sync/util/data_type_histogram.h"
 
 namespace browser_sync {
@@ -13,7 +14,7 @@ DataTypeController::DataTypeController(
     scoped_refptr<base::MessageLoopProxy> ui_thread,
     const base::Closure& error_callback)
     : base::RefCountedDeleteOnMessageLoop<DataTypeController>(ui_thread),
-      error_callback_(error_callback) {
+      user_share_(NULL), error_callback_(error_callback) {
 }
 
 DataTypeController::~DataTypeController() {
@@ -39,6 +40,14 @@ syncer::SyncError DataTypeController::CreateAndUploadError(
                            type);
 }
 
+void DataTypeController::OnUserShareReady(syncer::UserShare* share) {
+  user_share_ = share;
+}
+
+syncer::UserShare* DataTypeController::user_share() const {
+  return user_share_;
+}
+
 void DataTypeController::RecordUnrecoverableError(
     const tracked_objects::Location& from_here,
     const std::string& message) {