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

chrome/browser/extensions/menu_manager_unittest.cc

Index: chrome/browser/extensions/menu_manager_unittest.cc
diff --git a/chrome/browser/extensions/menu_manager_unittest.cc b/chrome/browser/extensions/menu_manager_unittest.cc
index f9adbd97b57283df355004037efaa628c856f5c8..73c8357b1a94d1e4df2214df4a313a8dbf3289f7 100644
--- a/chrome/browser/extensions/menu_manager_unittest.cc
+++ b/chrome/browser/extensions/menu_manager_unittest.cc
@@ -214,13 +214,13 @@ TEST_F(MenuManagerTest, PopulateFromValue) {
   int contexts_value = 0;
   ASSERT_TRUE(contexts.ToValue()->GetAsInteger(&contexts_value));
 
-  ListValue* document_url_patterns(new ListValue());
+  base::ListValue* document_url_patterns(new base::ListValue());
   document_url_patterns->Append(
       Value::CreateStringValue("http://www.google.com/*"));
   document_url_patterns->Append(
       Value::CreateStringValue("http://www.reddit.com/*"));
 
-  ListValue* target_url_patterns(new ListValue());
+  base::ListValue* target_url_patterns(new base::ListValue());
   target_url_patterns->Append(
       Value::CreateStringValue("http://www.yahoo.com/*"));
   target_url_patterns->Append(