Revert 167808 - Get rid of use of CreateStringValue in chromeos/ directory.

chrome/browser/chromeos/extensions/info_private_api.h

Index: chrome/browser/chromeos/extensions/info_private_api.h
===================================================================
--- chrome/browser/chromeos/extensions/info_private_api.h	(revision 167824)
+++ chrome/browser/chromeos/extensions/info_private_api.h	(working copy)
@@ -10,10 +10,6 @@
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/extension_function.h"
 
-namespace base {
-class Value;
-}
-
 namespace extensions {
 
 class GetChromeosInfoFunction : public AsyncExtensionFunction {
@@ -26,8 +22,7 @@
   virtual bool RunImpl() OVERRIDE;
 
  private:
-  // Returns a newly allocate value, or null.
-  base::Value* GetValue(const std::string& property_name);
+  bool GetValue(const std::string& property_name, Value** value);
 
   DECLARE_EXTENSION_FUNCTION_NAME("chromeosInfoPrivate.get");
 };