Convert most of extensions and some other random stuff to using the base namespace for Values.

chrome/browser/extensions/api/storage/settings_apitest.cc

Index: chrome/browser/extensions/api/storage/settings_apitest.cc
diff --git a/chrome/browser/extensions/api/storage/settings_apitest.cc b/chrome/browser/extensions/api/storage/settings_apitest.cc
index 433f69c245c8ba1235b713469bb4aefcac4ca2de..a1b2c6dad08aa18a20d8f005a7939b67937fe2cb 100644
--- a/chrome/browser/extensions/api/storage/settings_apitest.cc
+++ b/chrome/browser/extensions/api/storage/settings_apitest.cc
@@ -196,7 +196,7 @@ class ExtensionSettingsApiTest : public ExtensionApiTest {
       Namespace settings_namespace,
       const std::string& action,
       bool is_final_action) {
-    scoped_ptr<DictionaryValue> message(new DictionaryValue());
+    scoped_ptr<base::DictionaryValue> message(new base::DictionaryValue());
     message->SetString("namespace", ToString(settings_namespace));
     message->SetString("action", action);
     message->SetBoolean("isFinalAction", is_final_action);