[Sync] Fix namespaces for the browser_sync component.

components/browser_sync/profile_sync_service_bookmark_unittest.cc

Index: components/browser_sync/profile_sync_service_bookmark_unittest.cc
diff --git a/components/browser_sync/profile_sync_service_bookmark_unittest.cc b/components/browser_sync/profile_sync_service_bookmark_unittest.cc
index f0466d873802d05e9013e36e191ba8b38ff3d063..c0e9463a64b24c6c616d04056d000d99f37f0a0a 100644
--- a/components/browser_sync/profile_sync_service_bookmark_unittest.cc
+++ b/components/browser_sync/profile_sync_service_bookmark_unittest.cc
@@ -359,7 +359,7 @@ class ProfileSyncServiceBookmarkTest : public testing::Test {
         local_merge_result_(syncer::BOOKMARKS),
         syncer_merge_result_(syncer::BOOKMARKS) {
     CHECK(data_dir_.CreateUniqueTempDir());
-    browser_sync::ProfileSyncServiceBundle::SyncClientBuilder builder(
+    ProfileSyncServiceBundle::SyncClientBuilder builder(
         &profile_sync_service_bundle_);
     builder.SetBookmarkModelCallback(base::Bind(
         &ProfileSyncServiceBookmarkTest::model, base::Unretained(this)));
@@ -815,7 +815,7 @@ class ProfileSyncServiceBookmarkTest : public testing::Test {
  private:
   base::TestMessageLoop message_loop_;
   base::ScopedTempDir data_dir_;
-  browser_sync::ProfileSyncServiceBundle profile_sync_service_bundle_;
+  ProfileSyncServiceBundle profile_sync_service_bundle_;
 
   std::unique_ptr<sync_driver::FakeSyncClient> sync_client_;
   std::unique_ptr<BookmarkModel> model_;