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

chrome/browser/sync/glue/synced_session_tracker.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 "base/logging.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/sync/glue/synced_session_tracker.h"
 
 namespace browser_sync {
@@ skipping 179 matching lines @@
   return false;
 }
 
 bool SyncedSessionTracker::DeleteOldSessionTabIfNecessary(
     SessionTabWrapper tab_wrapper) {
   if (!tab_wrapper.owned) {
     if (VLOG_IS_ON(1)) {
       SessionTab* tab_ptr = tab_wrapper.tab_ptr;
       std::string title;
       if (tab_ptr->navigations.size() > 0) {
-        title = " (" + UTF16ToUTF8(
+        title = " (" + base::UTF16ToUTF8(
             tab_ptr->navigations[tab_ptr->navigations.size()-1].title()) + ")";
       }
       DVLOG(1) << "Deleting closed tab " << tab_ptr->tab_id.id() << title
                << " from window " << tab_ptr->window_id.id();
     }
     unmapped_tabs_.erase(tab_wrapper.tab_ptr);
     delete tab_wrapper.tab_ptr;
     return true;
   }
   return false;
@@ skipping 123 matching lines @@
         DLOG(ERROR)
             << "Updating tab_node_id for " << session_tag << " tab: " << tab_id
             << " from: " << iter->second.tab_node_id << " to: " << tab_node_id;
       }
       iter->second.tab_node_id = tab_node_id;
     }
 
     if (VLOG_IS_ON(1)) {
       std::string title;
       if (tab_ptr->navigations.size() > 0) {
-        title = " (" + UTF16ToUTF8(
+        title = " (" + base::UTF16ToUTF8(
             tab_ptr->navigations[tab_ptr->navigations.size()-1].title()) + ")";
       }
       DVLOG(1) << "Getting "
                << (session_tag == local_session_tag_ ?
                    "local session" : session_tag)
                << "'s seen tab " << tab_id  << " at " << tab_ptr << title;
     }
   } else {
     tab_ptr = new SessionTab();
     tab_ptr->tab_id.set_id(tab_id);
@@ skipping 21 matching lines @@
 
   // Get rid of our Window/Tab maps (does not delete the actual Window/Tabs
   // themselves; they should have all been deleted above).
   synced_window_map_.clear();
   synced_tab_map_.clear();
 
   local_session_tag_.clear();
 }
 
 }  // namespace browser_sync