Revert 130697 - Reland r130462: Implement FeatureProvider for ExtensionAPI."

chrome/common/extensions/permission_feature.h

-// 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.
-
-#ifndef CHROME_COMMON_EXTENSIONS_PERMISSION_FEATURE_H_
-#define CHROME_COMMON_EXTENSIONS_PERMISSION_FEATURE_H_
-#pragma once
-
-#include "chrome/common/extensions/feature.h"
-
-namespace extensions {
-
-class PermissionFeature : public Feature {
- public:
-  PermissionFeature();
-  virtual ~PermissionFeature();
-
-  virtual Feature::Availability IsAvailableToContext(
-      const Extension* extension,
-      Feature::Context context,
-      Feature::Platform platform) const OVERRIDE;
-};
-
-}  // extensions
-
-#endif  // CHROME_COMMON_EXTENSIONS_PERMISSION_FEATURE_H_