Boilerplate implementation of the Pepper URL Loader API....

webkit/glue/plugins/pepper_var.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WEBKIT_GLUE_PLUGINS_PEPPER_VAR_H_
 #define WEBKIT_GLUE_PLUGINS_PEPPER_VAR_H_
 
 typedef struct _pp_Var PP_Var;
 typedef struct _ppb_Var PPB_Var;
 typedef struct NPObject NPObject;
 typedef struct _NPVariant NPVariant;
 typedef void* NPIdentifier;
 
 namespace pepper {
 
+class String;
+
 // There's no class implementing Var since it could represent a number of
 // objects. Instead, we just expose a getter for the interface implemented in
 // the .cc file here.
 const PPB_Var* GetVarInterface();
 
 // Returns a PP_Var of type object that wraps the given NPObject.  Calling this
 // function multiple times given the same NPObject results in the same PP_Var.
 PP_Var NPObjectToPPVar(NPObject* object);
 
 // Returns the NPObject corresponding to the PP_Var.  This pointer has not been
 // retained, so you should not call WebBindings::releaseObject unless you first
-// call WebBindings::retainObject.
+// call WebBindings::retainObject.  Returns NULL if the PP_Var is not an object
+// type.
 NPObject* GetNPObject(PP_Var var);
 
+// Returns the String corresponding to the PP_Var.  This pointer has not been
+// AddRef'd, so you should not call Release!  Returns NULL if the PP_Var is not
+// a string type.
+String* GetString(PP_Var var);
+
 }  // namespace pepper
 
 #endif  // WEBKIT_GLUE_PLUGINS_PEPPER_VAR_H_