Update some uses of UTF conversions in chrome/browser to use the base:: namespace.

chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk_unittest.cc

Index: chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk_unittest.cc
diff --git a/chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk_unittest.cc b/chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk_unittest.cc
index 742e9bb26996ff9b076a1e113d4a10e0c812409d..0d72c847ab20fb660c8ae4133588623ade4427fd 100644
--- a/chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk_unittest.cc
+++ b/chrome/browser/ui/gtk/bookmarks/bookmark_bar_gtk_unittest.cc
@@ -73,7 +73,7 @@ TEST_F(BookmarkBarGtkUnittest, DisplaysHelpMessageOnEmpty) {
 TEST_F(BookmarkBarGtkUnittest, HidesHelpMessageWithBookmark) {
   const BookmarkNode* parent = model_->bookmark_bar_node();
   model_->AddURL(parent, parent->child_count(),
-                 ASCIIToUTF16("title"), GURL("http://one.com"));
+                 base::ASCIIToUTF16("title"), GURL("http://one.com"));
 
   bookmark_bar_->Loaded(model_, false);
   EXPECT_FALSE(bookmark_bar_->show_instructions_);
@@ -82,9 +82,9 @@ TEST_F(BookmarkBarGtkUnittest, HidesHelpMessageWithBookmark) {
 TEST_F(BookmarkBarGtkUnittest, BuildsButtons) {
   const BookmarkNode* parent = model_->bookmark_bar_node();
   model_->AddURL(parent, parent->child_count(),
-                 ASCIIToUTF16("title"), GURL("http://one.com"));
+                 base::ASCIIToUTF16("title"), GURL("http://one.com"));
   model_->AddURL(parent, parent->child_count(),
-                 ASCIIToUTF16("other"), GURL("http://two.com"));
+                 base::ASCIIToUTF16("other"), GURL("http://two.com"));
 
   bookmark_bar_->Loaded(model_, false);