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

chrome/browser/metrics/metrics_log_unittest.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 <string>
 
 #include "base/base64.h"
 #include "base/basictypes.h"
@@ skipping 364 matching lines @@
   EXPECT_EQ("p1", system_profile.plugin(0).name());
   EXPECT_EQ("p1.plugin", system_profile.plugin(0).filename());
   EXPECT_EQ("1.5", system_profile.plugin(0).version());
   EXPECT_TRUE(system_profile.plugin(0).is_pepper());
   EXPECT_EQ("p2", system_profile.plugin(1).name());
   EXPECT_EQ("p2.plugin", system_profile.plugin(1).filename());
   EXPECT_EQ("2.0", system_profile.plugin(1).version());
   EXPECT_FALSE(system_profile.plugin(1).is_pepper());
 
   // Now set some plugin stability stats for p2 and verify they're recorded.
-  scoped_ptr<base::DictionaryValue> plugin_dict(new DictionaryValue);
+  scoped_ptr<base::DictionaryValue> plugin_dict(new base::DictionaryValue);
   plugin_dict->SetString(prefs::kStabilityPluginName, "p2");
   plugin_dict->SetInteger(prefs::kStabilityPluginLaunches, 1);
   plugin_dict->SetInteger(prefs::kStabilityPluginCrashes, 2);
   plugin_dict->SetInteger(prefs::kStabilityPluginInstances, 3);
   plugin_dict->SetInteger(prefs::kStabilityPluginLoadingErrors, 4);
   {
     ListPrefUpdate update(log.GetPrefService(), prefs::kStabilityPluginStats);
     update.Get()->Append(plugin_dict.release());
   }
 
@@ skipping 184 matching lines @@
   TestMetricsLog log(kClientId, kSessionId);
   EXPECT_EQ(1u, log.system_profile().multi_profile_user_count());
 
   user_manager->LoginUser(user2);
   std::vector<chrome_variations::ActiveGroupId> synthetic_trials;
   log.RecordEnvironment(std::vector<content::WebPluginInfo>(),
                         GoogleUpdateMetrics(), synthetic_trials);
   EXPECT_EQ(0u, log.system_profile().multi_profile_user_count());
 }
 #endif  // OS_CHROMEOS