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

chrome/common/extensions/manifest_handlers/app_isolation_info.cc

 // Copyright (c) 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/common/extensions/manifest_handlers/app_isolation_info.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 41 matching lines @@
           APIPermission::kExperimental)) {
     return true;
   }
 
   // We should only be parsing if the extension has the key in the manifest,
   // or is a platform app (which we already handled).
   DCHECK(extension->manifest()->HasPath(keys::kIsolation));
 
   const base::ListValue* isolation_list = NULL;
   if (!extension->manifest()->GetList(keys::kIsolation, &isolation_list)) {
-    *error = ASCIIToUTF16(manifest_errors::kInvalidIsolation);
+    *error = base::ASCIIToUTF16(manifest_errors::kInvalidIsolation);
     return false;
   }
 
   bool has_isolated_storage = false;
   for (size_t i = 0; i < isolation_list->GetSize(); ++i) {
     std::string isolation_string;
     if (!isolation_list->GetString(i, &isolation_string)) {
       *error = ErrorUtils::FormatErrorMessageUTF16(
           manifest_errors::kInvalidIsolationValue,
           base::UintToString(i));
@@ skipping 16 matching lines @@
 
 bool AppIsolationHandler::AlwaysParseForType(Manifest::Type type) const {
   return type == Manifest::TYPE_PLATFORM_APP;
 }
 
 const std::vector<std::string> AppIsolationHandler::Keys() const {
   return SingleKey(keys::kIsolation);
 }
 
 }  // namespace extensions