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

chrome/browser/extensions/updater/extension_updater_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 <list>
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 241 matching lines @@
 
   // Creates test extensions and inserts them into list. The name and
   // version are all based on their index. If |update_url| is non-null, it
   // will be used as the update_url for each extension.
   // The |id| is used to distinguish extension names and make sure that
   // no two extensions share the same name.
   void CreateTestExtensions(int id, int count, ExtensionList *list,
                             const std::string* update_url,
                             Manifest::Location location) {
     for (int i = 1; i <= count; i++) {
-      DictionaryValue manifest;
+      base::DictionaryValue manifest;
       manifest.SetString(manifest_keys::kVersion,
                          base::StringPrintf("%d.0.0.0", i));
       manifest.SetString(manifest_keys::kName,
                          base::StringPrintf("Extension %d.%d", id, i));
       if (update_url)
         manifest.SetString(manifest_keys::kUpdateURL, *update_url);
       scoped_refptr<Extension> e =
           prefs_->AddExtensionWithManifest(manifest, location);
       ASSERT_TRUE(e.get() != NULL);
       list->push_back(e);
@@ skipping 1366 matching lines @@
 // -prodversionmin (shouldn't update if browser version too old)
 // -manifests & updates arriving out of order / interleaved
 // -malformed update url (empty, file://, has query, has a # fragment, etc.)
 // -An extension gets uninstalled while updates are in progress (so it doesn't
 //  "come back from the dead")
 // -An extension gets manually updated to v3 while we're downloading v2 (ie
 //  you don't get downgraded accidentally)
 // -An update manifest mentions multiple updates
 
 }  // namespace extensions