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

chrome/browser/extensions/api/top_sites/top_sites_api.cc

Index: chrome/browser/extensions/api/top_sites/top_sites_api.cc
diff --git a/chrome/browser/extensions/api/top_sites/top_sites_api.cc b/chrome/browser/extensions/api/top_sites/top_sites_api.cc
index 84d31a307df10498795fc1e614a6d9009a478e3a..77d5a93c63b3c5b046481c4b4a0b06ac841492fe 100644
--- a/chrome/browser/extensions/api/top_sites/top_sites_api.cc
+++ b/chrome/browser/extensions/api/top_sites/top_sites_api.cc
@@ -30,11 +30,11 @@ bool TopSitesGetFunction::RunImpl() {
 
 void TopSitesGetFunction::OnMostVisitedURLsAvailable(
     const history::MostVisitedURLList& data) {
-  scoped_ptr<base::ListValue> pages_value(new ListValue);
+  scoped_ptr<base::ListValue> pages_value(new base::ListValue);
   for (size_t i = 0; i < data.size(); i++) {
     const history::MostVisitedURL& url = data[i];
     if (!url.url.is_empty()) {
-      DictionaryValue* page_value = new DictionaryValue();
+      base::DictionaryValue* page_value = new base::DictionaryValue();
       page_value->SetString("url", url.url.spec());
       if (url.title.empty())
         page_value->SetString("title", url.url.spec());