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

chrome/browser/autocomplete/autocomplete_result.cc

 // 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.
 
 #include "chrome/browser/autocomplete/autocomplete_result.h"
 
 #include <algorithm>
 #include <iterator>
 
 #include "base/logging.h"
@@ skipping 176 matching lines @@
   // score of 0.
   size_t num_matches;
   for (num_matches = 0u; (num_matches < max_num_matches) &&
        (comparing_object.GetDemotedRelevance(*match_at(num_matches)) > 0);
        ++num_matches) {}
   matches_.resize(num_matches);
 
   default_match_ = matches_.begin();
 
   if (default_match_ != matches_.end()) {
-    const base::string16 debug_info = ASCIIToUTF16("fill_into_edit=") +
-        default_match_->fill_into_edit + ASCIIToUTF16(", provider=") +
-        ((default_match_->provider != NULL) ?
-         ASCIIToUTF16(default_match_->provider->GetName()) : base::string16()) +
-        ASCIIToUTF16(", input=") + input.text();
+    const base::string16 debug_info =
+        base::ASCIIToUTF16("fill_into_edit=") +
+        default_match_->fill_into_edit +
+        base::ASCIIToUTF16(", provider=") +
+        ((default_match_->provider != NULL)
+            ? base::ASCIIToUTF16(default_match_->provider->GetName())
+            : base::string16()) +
+        base::ASCIIToUTF16(", input=") +
+        input.text();
     DCHECK(default_match_->allowed_to_be_default_match) << debug_info;
     // We shouldn't get query matches for URL inputs, or non-query matches
     // for query inputs.
     if (AutocompleteMatch::IsSearchType(default_match_->type)) {
       DCHECK_NE(AutocompleteInput::URL, input.type()) << debug_info;
     } else {
       DCHECK_NE(AutocompleteInput::FORCED_QUERY, input.type()) << debug_info;
     }
   }
 
@@ skipping 156 matching lines @@
        i != old_matches.rend() && delta > 0; ++i) {
     if (!HasMatchByDestination(*i, new_matches)) {
       AutocompleteMatch match = *i;
       match.relevance = std::min(max_relevance, match.relevance);
       match.from_previous = true;
       AddMatch(page_classification, match);
       delta--;
     }
   }
 }