mac: Update clients of scoped_nsobject.h.

content/browser/renderer_host/text_input_client_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 "content/browser/renderer_host/text_input_client_mac.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/threading/thread.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
@@ skipping 185 matching lines @@
   EXPECT_TRUE(ipc_sink().GetUniqueMessageMatching(
       TextInputClientMsg_FirstRectForCharacterRange::ID));
   EXPECT_TRUE(NSEqualRects(NSZeroRect, rect));
 }
 
 TEST_F(TextInputClientMacTest, GetSubstring) {
   ScopedTestingThread thread(this);
   NSDictionary* attributes =
       [NSDictionary dictionaryWithObject:[NSColor purpleColor]
                                   forKey:NSForegroundColorAttributeName];
-  scoped_nsobject<NSAttributedString> kSuccessValue(
+  base::scoped_nsobject<NSAttributedString> kSuccessValue(
       [[NSAttributedString alloc] initWithString:@"Barney is a purple dinosaur"
                                       attributes:attributes]);
 
   PostTask(FROM_HERE,
            base::Bind(&TextInputClientMac::SetSubstringAndSignal,
                       base::Unretained(service()),
                       base::Unretained(kSuccessValue.get())));
   NSAttributedString* string = service()->GetAttributedSubstringFromRange(
       widget(), NSMakeRange(0, 32));
 
   EXPECT_NSEQ(kSuccessValue, string);
   EXPECT_NE(kSuccessValue.get(), string);  // |string| should be a copy.
   EXPECT_EQ(1U, ipc_sink().message_count());
   EXPECT_TRUE(ipc_sink().GetUniqueMessageMatching(
       TextInputClientMsg_StringForRange::ID));
 }
 
 TEST_F(TextInputClientMacTest, TimeoutSubstring) {
   NSAttributedString* string = service()->GetAttributedSubstringFromRange(
       widget(), NSMakeRange(0, 32));
   EXPECT_EQ(nil, string);
   EXPECT_EQ(1U, ipc_sink().message_count());
   EXPECT_TRUE(ipc_sink().GetUniqueMessageMatching(
       TextInputClientMsg_StringForRange::ID));
 }
 
 }  // namespace content