[Sync] Fix namespace for sync_driver component

components/sync_driver/model_association_manager_unittest.cc

Index: components/sync_driver/model_association_manager_unittest.cc
diff --git a/components/sync_driver/model_association_manager_unittest.cc b/components/sync_driver/model_association_manager_unittest.cc
index 214b1b8b7d9c2e7cd03ec5d5090e54f618621600..9282f3b6a4713fa170f957b5c5bfbde53a1703e1 100644
--- a/components/sync_driver/model_association_manager_unittest.cc
+++ b/components/sync_driver/model_association_manager_unittest.cc
@@ -10,7 +10,9 @@
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
-namespace browser_sync {
+
+namespace sync_driver {
+
 class MockModelAssociationManagerDelegate :
     public ModelAssociationManagerDelegate {
  public:
@@ -388,4 +390,4 @@ TEST_F(SyncModelAssociationManagerTest, ModelLoadFailBeforeAssociationStart) {
             GetController(controllers_, syncer::BOOKMARKS)->state());
 }
 
-}  // namespace browser_sync
+}  // namespace sync_driver