Move bookmark_utils into bookmarks namespace.

components/bookmarks/browser/bookmark_utils_unittest.cc

Index: components/bookmarks/browser/bookmark_utils_unittest.cc
diff --git a/components/bookmarks/browser/bookmark_utils_unittest.cc b/components/bookmarks/browser/bookmark_utils_unittest.cc
index abea315067879b4a63da5f0e6ae93b4c3c5abea4..fd3d47249058ef657704fdd907e533e9e0b8a30a 100644
--- a/components/bookmarks/browser/bookmark_utils_unittest.cc
+++ b/components/bookmarks/browser/bookmark_utils_unittest.cc
@@ -17,10 +17,9 @@
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 
 using base::ASCIIToUTF16;
-using bookmarks::BookmarkClient;
 using std::string;
 
-namespace bookmark_utils {
+namespace bookmarks {
 namespace {
 
 class BookmarkUtilsTest : public testing::Test,
@@ -452,4 +451,4 @@ TEST_F(BookmarkUtilsTest, RemoveAllBookmarks) {
 }
 
 }  // namespace
-}  // namespace bookmark_utils
+}  // namespace bookmarks