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

chrome/browser/network_time/network_time_service.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/network_time/network_time_service.h"
 
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/network_time/network_time_tracker.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 43 matching lines @@
 
 void NetworkTimeService::Shutdown() {
   if (!network_time_tracker_)
     return;
 
   if (network_time_tracker_->received_network_time()) {
     // Update time mapping if tracker received time update from server, i.e.
     // mapping is accurate.
     base::Time local_now = base::Time::Now();
     base::Time network_now = GetNetworkTime(local_now);
-    DictionaryValue time_mapping;
+    base::DictionaryValue time_mapping;
     time_mapping.SetDouble("local", local_now.ToJsTime());
     time_mapping.SetDouble("network", network_now.ToJsTime());
     profile_->GetPrefs()->Set(prefs::kNetworkTimeMapping, time_mapping);
   }
 }
 
 base::Time NetworkTimeService::GetNetworkTime(
     const base::Time& local_time) {
   if (!network_time_tracker_.get() || local_time.is_null() ||
       local_time.is_max())
     return local_time;
 
   base::Time network_time_now;
   if (!network_time_tracker_->GetNetworkTime(base::TimeTicks::Now(),
                                              &network_time_now, NULL)) {
     return local_time;
   }
   return local_time + (network_time_now - base::Time::Now());
 }
 
 base::Time NetworkTimeService::GetNetworkNow() {
   return GetNetworkTime(base::Time::Now());
 }