Remove the unused remnants of NPObject from Pepper

content/renderer/pepper/v8object_var.h

 // Copyright 2014 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 CONTENT_RENDERER_PEPPER_V8OBJECT_VAR_H_
 #define CONTENT_RENDERER_PEPPER_V8OBJECT_VAR_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "content/common/content_export.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/shared_impl/var.h"
 #include "v8/include/v8.h"
 
 namespace content {
 class PepperPluginInstanceImpl;
 }  // namespace content
 
 namespace ppapi {
 
 // V8ObjectVar -----------------------------------------------------------------
 
 // Represents a JavaScript object Var. By itself, this represents random
 // v8 objects that a given plugin (identified by the resource's module) wants to
-// reference. If two different modules reference the same NPObject (like the
+// reference. If two different modules reference the same v8 object (like the
 // "window" object), then there will be different V8ObjectVar's (and hence
 // PP_Var IDs) for each module. This allows us to track all references owned by
 // a given module and free them when the plugin exits independently of other
 // plugins that may be running at the same time.
 class CONTENT_EXPORT V8ObjectVar : public Var {
  public:
   V8ObjectVar(PP_Instance instance, v8::Handle<v8::Object> v8_object);
 
   // Var overrides.
   virtual V8ObjectVar* AsV8ObjectVar() OVERRIDE;
@@ skipping 20 matching lines @@
   content::PepperPluginInstanceImpl* instance_;
 
   v8::Persistent<v8::Object> v8_object_;
 
   DISALLOW_COPY_AND_ASSIGN(V8ObjectVar);
 };
 
 }  // ppapi
 
 #endif  // CONTENT_RENDERER_PEPPER_V8OBJECT_VAR_H_