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

chrome/browser/ui/autofill/generated_credit_card_bubble_controller.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/autofill/generated_credit_card_bubble_controller.h"
 
 #include <climits>
 
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
@@ skipping 200 matching lines @@
     }
 
     // Append the piece whether it's bolded or not and move on to the next one.
     contents_text_.append(piece);
     pieces.erase(pieces.begin(), pieces.begin() + 1);
   }
 
   // Add a "Learn more" link at the end of the header text if it's a generated
   // card bubble.
   base::string16 learn_more = l10n_util::GetStringUTF16(IDS_LEARN_MORE);
-  contents_text_.append(ASCIIToUTF16(" ") + learn_more);
+  contents_text_.append(base::ASCIIToUTF16(" ") + learn_more);
   const size_t header_size = contents_text_.size();
   TextRange end_link;
   end_link.range = gfx::Range(header_size - learn_more.size(), header_size);
   end_link.is_link = true;
   contents_text_ranges_.push_back(end_link);
 
   UpdateAnchor();
 
   if (ShouldDisplayBubbleInitially())
     Show(false);
@@ skipping 28 matching lines @@
   if (browser && browser->window() && browser->window()->GetLocationBar())
     browser->window()->GetLocationBar()->UpdateGeneratedCreditCardView();
 }
 
 void GeneratedCreditCardBubbleController::Hide() {
   if (bubble_ && !bubble_->IsHiding())
     bubble_->Hide();
 }
 
 }  // namespace autofill