Implement FeatureProvider for ExtensionAPI.

chrome/renderer/extensions/chrome_v8_extension.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/renderer/extensions/chrome_v8_extension.h"
 
 #include "base/logging.h"
 #include "base/lazy_instance.h"
 #include "base/stringprintf.h"
 #include "base/string_util.h"
@@ skipping 86 matching lines @@
     static const char kMessage[] =
         "You do not have permission to use '%s'. Be sure to declare"
         " in your manifest what permissions you need.";
     std::string error_msg = base::StringPrintf(kMessage, function_name.c_str());
     v8::ThrowException(
         v8::Exception::Error(v8::String::New(error_msg.c_str())));
     return false;
   }
 
   if (!extension_dispatcher_->IsExtensionActive(extension->id()) &&
-      ExtensionAPI::GetInstance()->IsPrivileged(function_name)) {
+      ExtensionAPI::GetSharedInstance()->IsPrivileged(function_name)) {
     static const char kMessage[] =
         "%s can only be used in an extension process.";
     std::string error_msg = base::StringPrintf(kMessage, function_name.c_str());
     v8::ThrowException(
         v8::Exception::Error(v8::String::New(error_msg.c_str())));
     return false;
   }
 
   return true;
 }