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

chrome/common/extensions/permissions/permission_message_util.cc

Index: chrome/common/extensions/permissions/permission_message_util.cc
diff --git a/chrome/common/extensions/permissions/permission_message_util.cc b/chrome/common/extensions/permissions/permission_message_util.cc
index a5d925ef305e03b2873a3451aacae65380c47e7f..d7e0f78dbf2bbeae1fc0feba4137f5f513b7d229 100644
--- a/chrome/common/extensions/permissions/permission_message_util.cc
+++ b/chrome/common/extensions/permissions/permission_message_util.cc
@@ -48,20 +48,20 @@ PermissionMessage CreateFromHostList(const std::set<std::string>& hosts) {
     case 1:
       message_id = PermissionMessage::kHosts1;
       message = l10n_util::GetStringFUTF16(IDS_EXTENSION_PROMPT_WARNING_1_HOST,
-                                           UTF8ToUTF16(host_list[0]));
+                                           base::UTF8ToUTF16(host_list[0]));
       break;
     case 2:
       message_id = PermissionMessage::kHosts2;
       message = l10n_util::GetStringFUTF16(IDS_EXTENSION_PROMPT_WARNING_2_HOSTS,
-                                           UTF8ToUTF16(host_list[0]),
-                                           UTF8ToUTF16(host_list[1]));
+                                           base::UTF8ToUTF16(host_list[0]),
+                                           base::UTF8ToUTF16(host_list[1]));
       break;
     case 3:
       message_id = PermissionMessage::kHosts3;
       message = l10n_util::GetStringFUTF16(IDS_EXTENSION_PROMPT_WARNING_3_HOSTS,
-                                           UTF8ToUTF16(host_list[0]),
-                                           UTF8ToUTF16(host_list[1]),
-                                           UTF8ToUTF16(host_list[2]));
+                                           base::UTF8ToUTF16(host_list[0]),
+                                           base::UTF8ToUTF16(host_list[1]),
+                                           base::UTF8ToUTF16(host_list[2]));
       break;
     default:
       message_id = PermissionMessage::kHosts4OrMore;
@@ -82,10 +82,10 @@ PermissionMessage CreateFromHostList(const std::set<std::string>& hosts) {
 
       for (size_t i = 0; i < host_list.size(); ++i) {
         if (i > 0)
-          details += ASCIIToUTF16("\n");
+          details += base::ASCIIToUTF16("\n");
         details += l10n_util::GetStringFUTF16(
             IDS_EXTENSION_PROMPT_WARNING_HOST_LIST_ENTRY,
-            UTF8ToUTF16(host_list[i]));
+            base::UTF8ToUTF16(host_list[i]));
       }
   }