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

chrome/browser/metrics/metrics_log.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/metrics/metrics_log.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 511 matching lines @@
 bool MetricsLog::HasEnvironment() const {
   return uma_proto()->system_profile().has_uma_enabled_date();
 }
 
 bool MetricsLog::HasStabilityMetrics() const {
   return uma_proto()->system_profile().stability().has_launch_count();
 }
 
 void MetricsLog::WritePluginStabilityElements(PrefService* pref) {
   // Now log plugin stability info.
-  const ListValue* plugin_stats_list = pref->GetList(
+  const base::ListValue* plugin_stats_list = pref->GetList(
       prefs::kStabilityPluginStats);
   if (!plugin_stats_list)
     return;
 
 #if defined(ENABLE_PLUGINS)
   SystemProfileProto::Stability* stability =
       uma_proto()->mutable_system_profile()->mutable_stability();
-  for (ListValue::const_iterator iter = plugin_stats_list->begin();
+  for (base::ListValue::const_iterator iter = plugin_stats_list->begin();
        iter != plugin_stats_list->end(); ++iter) {
-    if (!(*iter)->IsType(Value::TYPE_DICTIONARY)) {
+    if (!(*iter)->IsType(base::Value::TYPE_DICTIONARY)) {
       NOTREACHED();
       continue;
     }
-    DictionaryValue* plugin_dict = static_cast<DictionaryValue*>(*iter);
+    base::DictionaryValue* plugin_dict =
+        static_cast<base::DictionaryValue*>(*iter);
 
     // Note that this search is potentially a quadratic operation, but given the
     // low number of plugins installed on a "reasonable" setup, this should be
     // fine.
     // TODO(isherman): Verify that this does not show up as a hotspot in
     // profiler runs.
     const SystemProfileProto::Plugin* system_profile_plugin = NULL;
     std::string plugin_name;
     plugin_dict->GetString(prefs::kStabilityPluginName, &plugin_name);
     const SystemProfileProto& system_profile = uma_proto()->system_profile();
@@ skipping 447 matching lines @@
 
     // We invalidate the user count if it changed while the log was open.
     if (system_profile->has_multi_profile_user_count() &&
         user_count != system_profile->multi_profile_user_count())
       user_count = 0;
 
     system_profile->set_multi_profile_user_count(user_count);
   }
 }
 #endif