Move base/values.h into the base namespace.

chrome/browser/extensions/external_extension_loader.h

Index: chrome/browser/extensions/external_extension_loader.h
===================================================================
--- chrome/browser/extensions/external_extension_loader.h	(revision 92173)
+++ chrome/browser/extensions/external_extension_loader.h	(working copy)
@@ -10,9 +10,12 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 
-class DictionaryValue;
 class ExternalExtensionProviderImpl;
 
+namespace base {
+class DictionaryValue;
+}
+
 // Base class for gathering a list of external extensions. Subclasses
 // implement loading from registry, JSON file, policy.
 // Instances are owned by ExternalExtensionProviderImpl objects.
@@ -62,7 +65,7 @@
   // this task should invoke |LoadFinished| with a PostTask. This scheme of
   // posting tasks will avoid concurrent access and imply the necessary memory
   // barriers.
-  scoped_ptr<DictionaryValue> prefs_;
+  scoped_ptr<base::DictionaryValue> prefs_;
 
  private:
   friend class base::RefCountedThreadSafe<ExternalExtensionLoader>;