Fix compile on Snow Leopard.

chrome/browser/cocoa/bookmark_bar_controller_unittest.mm

Index: chrome/browser/cocoa/bookmark_bar_controller_unittest.mm
diff --git a/chrome/browser/cocoa/bookmark_bar_controller_unittest.mm b/chrome/browser/cocoa/bookmark_bar_controller_unittest.mm
index 11dc3fdac9c7f4ca4394bd65e5440ee734de3b60..a777e8cb6fa013beb0b0407c5d6b9e3ccd8df3ec 100644
--- a/chrome/browser/cocoa/bookmark_bar_controller_unittest.mm
+++ b/chrome/browser/cocoa/bookmark_bar_controller_unittest.mm
@@ -686,7 +686,7 @@ TEST_F(BookmarkBarControllerTest, DropBookmarks) {
   NSMutableArray* nsurls = [NSMutableArray arrayWithCapacity:0];
   NSMutableArray* nstitles = [NSMutableArray arrayWithCapacity:0];
   for (size_t i = 0; i < arraysize(urls); ++i) {
-    [nsurls addObject:[NSString stringWithCString:urls[i]]];
+    [nsurls addObject:base::SysUTF8ToNSString(urls[i])];
     [nstitles addObject:base::SysWideToNSString(titles[i])];
   }