mac: Update clients of scoped_nsobject.h.

chrome/browser/ui/cocoa/confirm_bubble_cocoa.mm

Index: chrome/browser/ui/cocoa/confirm_bubble_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/confirm_bubble_cocoa.mm b/chrome/browser/ui/cocoa/confirm_bubble_cocoa.mm
index b16aceabdfb69437800740392e95a6d2ed908249..474bf2132f477fabfa9ca16bfcf319399149754c 100644
--- a/chrome/browser/ui/cocoa/confirm_bubble_cocoa.mm
+++ b/chrome/browser/ui/cocoa/confirm_bubble_cocoa.mm
@@ -215,17 +215,17 @@ void ShowConfirmBubble(gfx::NativeView view,
       initWithFrame:NSMakeRect(left, bottom, kMaxMessageWidth, 0)]);
   NSString* messageText = [controller_ messageText];
   NSMutableDictionary* attributes = [NSMutableDictionary dictionary];
-  scoped_nsobject<NSMutableAttributedString> attributedMessage(
+  base::scoped_nsobject<NSMutableAttributedString> attributedMessage(
       [[NSMutableAttributedString alloc] initWithString:messageText
                                              attributes:attributes]);
   NSString* linkText = [controller_ linkText];
   if (linkText) {
-    scoped_nsobject<NSAttributedString> whiteSpace(
+    base::scoped_nsobject<NSAttributedString> whiteSpace(
         [[NSAttributedString alloc] initWithString:@" "]);
     [attributedMessage.get() appendAttributedString:whiteSpace.get()];
     [attributes setObject:[NSString string]
                    forKey:NSLinkAttributeName];
-    scoped_nsobject<NSAttributedString> attributedLink(
+    base::scoped_nsobject<NSAttributedString> attributedLink(
         [[NSAttributedString alloc] initWithString:linkText
                                         attributes:attributes]);
     [attributedMessage.get() appendAttributedString:attributedLink.get()];