Move base/values.h into the base namespace.

base/value_conversions.h

Index: base/value_conversions.h
===================================================================
--- base/value_conversions.h	(revision 92173)
+++ base/value_conversions.h	(working copy)
@@ -11,11 +11,12 @@
 #include "base/base_api.h"
 
 class FilePath;
+
+namespace base {
+
 class StringValue;
 class Value;
 
-namespace base {
-
 // The caller takes ownership of the returned value.
 BASE_API StringValue* CreateFilePathValue(const FilePath& in_value);
 BASE_API bool GetValueAsFilePath(const Value& value, FilePath* file_path);