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

chrome/browser/extensions/api/tabs/ash_panel_contents.cc

Index: chrome/browser/extensions/api/tabs/ash_panel_contents.cc
diff --git a/chrome/browser/extensions/api/tabs/ash_panel_contents.cc b/chrome/browser/extensions/api/tabs/ash_panel_contents.cc
index 059847b3a68c463d5e06a7202cf8b4e33e06f1a0..37f7a24c071fba0c00e0921d2162bdfb27eea399 100644
--- a/chrome/browser/extensions/api/tabs/ash_panel_contents.cc
+++ b/chrome/browser/extensions/api/tabs/ash_panel_contents.cc
@@ -78,9 +78,9 @@ base::DictionaryValue* AshPanelWindowController::CreateWindowValueWithTabs(
     const extensions::Extension* extension) const {
   DCHECK(IsVisibleToExtension(extension));
   base::DictionaryValue* result = CreateWindowValue();
-  DictionaryValue* tab_value = CreateTabValue(extension, 0);
+  base::DictionaryValue* tab_value = CreateTabValue(extension, 0);
   if (tab_value) {
-    base::ListValue* tab_list = new ListValue();
+    base::ListValue* tab_list = new base::ListValue();
     tab_list->Append(tab_value);
     result->Set(extensions::tabs_constants::kTabsKey, tab_list);
   }
@@ -97,7 +97,7 @@ base::DictionaryValue* AshPanelWindowController::CreateTabValue(
   if (!web_contents)
     return NULL;
 
-  DictionaryValue* tab_value = new DictionaryValue();
+  base::DictionaryValue* tab_value = new base::DictionaryValue();
   tab_value->SetInteger(extensions::tabs_constants::kIdKey,
                         SessionID::IdForTab(web_contents));
   tab_value->SetInteger(extensions::tabs_constants::kIndexKey, 0);