Update uses of Value in chromeos/, cloud_print/, components/, content/ to use the base:: namespace.

content/renderer/web_ui_extension.cc

Index: content/renderer/web_ui_extension.cc
diff --git a/content/renderer/web_ui_extension.cc b/content/renderer/web_ui_extension.cc
index f887e9d765e09ce47777f2f44b5c3a5bcf56499e..b49241ef4c6aee19ea52254fa48709d8be1e4cf3 100644
--- a/content/renderer/web_ui_extension.cc
+++ b/content/renderer/web_ui_extension.cc
@@ -120,9 +120,9 @@ void WebUIExtensionWrapper::Send(
 
   // If they've provided an optional message parameter, convert that into a
   // Value to send to the browser process.
-  scoped_ptr<ListValue> content;
+  scoped_ptr<base::ListValue> content;
   if (args[1]->IsUndefined()) {
-    content.reset(new ListValue());
+    content.reset(new base::ListValue());
   } else {
     if (!args[1]->IsObject())
       return;