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

chrome/browser/extensions/external_provider_impl.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/extensions/external_provider_impl.h"
 
 #include <set>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 105 matching lines @@
     }
 
     if (!i.value().GetAsDictionary(&extension)) {
       LOG(WARNING) << "Malformed extension dictionary: key "
                    << extension_id.c_str()
                    << " has a value that is not a dictionary.";
       continue;
     }
 
     base::FilePath::StringType external_crx;
-    const Value* external_version_value = NULL;
+    const base::Value* external_version_value = NULL;
     std::string external_version;
     std::string external_update_url;
 
     bool has_external_crx = extension->GetString(kExternalCrx, &external_crx);
 
     bool has_external_version = false;
     if (extension->Get(kExternalVersion, &external_version_value)) {
-      if (external_version_value->IsType(Value::TYPE_STRING)) {
+      if (external_version_value->IsType(base::Value::TYPE_STRING)) {
         external_version_value->GetAsString(&external_version);
         has_external_version = true;
       } else {
         LOG(WARNING) << "Malformed extension dictionary for extension: "
                      << extension_id.c_str() << ". " << kExternalVersion
                      << " value must be a string.";
         continue;
       }
     }
 
@@ skipping 376 matching lines @@
             service,
             new ExternalComponentLoader(profile),
             profile,
             Manifest::INVALID_LOCATION,
             Manifest::EXTERNAL_COMPONENT,
             Extension::FROM_WEBSTORE | Extension::WAS_INSTALLED_BY_DEFAULT)));
   }
 }
 
 }  // namespace extensions