Enable extension APIs for content scripts.

content/renderer/v8_value_converter_impl.h

 // Copyright (c) 2011 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_V8_VALUE_CONVERTER_IMPL_H_
 #define CONTENT_RENDERER_V8_VALUE_CONVERTER_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "content/common/content_export.h"
 #include "content/public/renderer/v8_value_converter.h"
@@ skipping 14 matching lines @@
   void set_allow_undefined(bool val) { allow_undefined_ = val; }
 
   bool allow_date() const { return allow_date_; }
   void set_allow_date(bool val) { allow_date_ = val; }
 
   bool allow_regexp() const { return allow_regexp_; }
   void set_allow_regexp(bool val) { allow_regexp_ = val; }
 
   // V8ValueConverter implementation.
   virtual v8::Handle<v8::Value> ToV8Value(
-      base::Value* value,
+      const base::Value* value,
       v8::Handle<v8::Context> context) const OVERRIDE;
   virtual base::Value* FromV8Value(
       v8::Handle<v8::Value> value,
       v8::Handle<v8::Context> context) const OVERRIDE;
 
  private:
-  v8::Handle<v8::Value> ToV8ValueImpl(base::Value* value) const;
-  v8::Handle<v8::Value> ToV8Array(base::ListValue* list) const;
-  v8::Handle<v8::Value> ToV8Object(base::DictionaryValue* dictionary) const;
+  v8::Handle<v8::Value> ToV8ValueImpl(const base::Value* value) const;
+  v8::Handle<v8::Value> ToV8Array(const base::ListValue* list) const;
+  v8::Handle<v8::Value> ToV8Object(
+      const base::DictionaryValue* dictionary) const;
 
   base::Value* FromV8ValueImpl(v8::Handle<v8::Value> value) const;
   base::ListValue* FromV8Array(v8::Handle<v8::Array> array) const;
   base::DictionaryValue* FromV8Object(v8::Handle<v8::Object> object) const;
 
   // If true, we will convert undefined JavaScript values to null.
   bool allow_undefined_;
 
   // If true, we will convert Date JavaScript objects to doubles.
   bool allow_date_;
 
   // If true, we will convet RegExp JavaScript objects to string.
   bool allow_regexp_;
 };
 
 #endif  // CONTENT_RENDERER_V8_VALUE_CONVERTER_IMPL_H_