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

chrome/browser/chromeos/proxy_config_service_impl_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/chromeos/proxy_config_service_impl.h"
 
 #include <vector>
 
 #include "base/format_macros.h"
 #include "base/json/json_writer.h"
@@ skipping 286 matching lines @@
     if (pref_proxy_config_dict)
       base::JSONWriter::Write(pref_proxy_config_dict, &proxy_config);
 
     NetworkStateHandler* network_state_handler =
         NetworkHandler::Get()->network_state_handler();
     const NetworkState* network = network_state_handler->DefaultNetwork();
     ASSERT_TRUE(network);
     DBusThreadManager::Get()->GetShillServiceClient()->GetTestInterface()->
         SetServiceProperty(network->path(),
                            shill::kProxyConfigProperty,
-                           StringValue(proxy_config));
+                           base::StringValue(proxy_config));
   }
 
   // Synchronously gets the latest proxy config.
   void SyncGetLatestProxyConfig(net::ProxyConfig* config) {
     *config = net::ProxyConfig();
     // Let message loop process all messages. This will run
     // ChromeProxyConfigService::UpdateProxyConfig, which is posted on IO from
     // PrefProxyConfigTrackerImpl::OnProxyConfigChanged.
     loop_.RunUntilIdle();
     net::ProxyConfigService::ConfigAvailability availability =
@@ skipping 126 matching lines @@
     pref_service_.RemoveRecommendedPref(prefs::kProxy);
     SyncGetLatestProxyConfig(&actual_config);
     EXPECT_EQ(network_params.auto_detect, actual_config.auto_detect());
     EXPECT_EQ(network_params.pac_url, actual_config.pac_url());
     EXPECT_TRUE(network_params.proxy_rules.Matches(
         actual_config.proxy_rules()));
   }
 }
 
 }  // namespace chromeos