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

chrome/browser/extensions/webstore_standalone_installer.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/webstore_standalone_installer.h"
 
 #include "base/values.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
@@ skipping 89 matching lines @@
   approval->use_app_installed_bubble = ShouldShowAppInstalledBubble();
   approval->installing_icon = gfx::ImageSkia::CreateFrom1xBitmap(icon_);
   return approval.Pass();
 }
 
 void WebstoreStandaloneInstaller::OnWebstoreRequestFailure() {
   CompleteInstall(kWebstoreRequestError);
 }
 
 void WebstoreStandaloneInstaller::OnWebstoreResponseParseSuccess(
-    scoped_ptr<DictionaryValue> webstore_data) {
+    scoped_ptr<base::DictionaryValue> webstore_data) {
   if (!CheckRequestorAlive()) {
     CompleteInstall(std::string());
     return;
   }
 
   std::string error;
 
   if (!CheckInlineInstallPermitted(*webstore_data, &error)) {
     CompleteInstall(error);
     return;
@@ skipping 184 matching lines @@
   // Balanced in InstallUIAbort or indirectly in InstallUIProceed via
   // OnExtensionInstallSuccess or OnExtensionInstallFailure.
   AddRef();
 
   install_ui_ = CreateInstallUI();
   install_ui_->ConfirmStandaloneInstall(
       this, localized_extension_for_display_.get(), &icon_, *install_prompt_);
 }
 
 }  // namespace extensions