mac: Update clients of scoped_nsobject.h.

chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac_unittest.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "testing/platform_test.h"
@@ skipping 431 matching lines @@
 TEST_F(OmniboxPopupViewMacTest, ElideString) {
   NSString* const contents = @"This is a test with long contents";
   const string16 contents16(base::SysNSStringToUTF16(contents));
 
   const float kWide = 1000.0;
   const float kNarrow = 20.0;
 
   NSDictionary* attributes =
       [NSDictionary dictionaryWithObject:font_.GetNativeFont()
                                   forKey:NSFontAttributeName];
-  scoped_nsobject<NSMutableAttributedString> as(
+  base::scoped_nsobject<NSMutableAttributedString> as(
       [[NSMutableAttributedString alloc] initWithString:contents
                                              attributes:attributes]);
 
   // Nothing happens if the space is really wide.
   NSMutableAttributedString* ret =
       OmniboxPopupViewMac::ElideString(as, contents16, font_, kWide);
   EXPECT_TRUE(ret == as);
   EXPECT_TRUE([[as string] isEqualToString:contents]);
 
   // When elided, result is the same as ElideText().
@@ skipping 80 matching lines @@
 // updates the model's selection from the matrix before returning.
 // Could possibly test that via -select:.
 
 // TODO(shess): Test that AutocompleteButtonCell returns the right
 // background colors for on, highlighted, and neither.
 
 // TODO(shess): Test that AutocompleteMatrixTarget can be initialized
 // and then sends -select: to the view.
 
 }  // namespace