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

chrome/common/extensions/manifest_feature.cc

Index: chrome/common/extensions/manifest_feature.cc
===================================================================
--- chrome/common/extensions/manifest_feature.cc	(revision 130700)
+++ chrome/common/extensions/manifest_feature.cc	(working copy)
@@ -1,35 +0,0 @@
-// 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/common/extensions/manifest_feature.h"
-
-#include "chrome/common/extensions/manifest.h"
-
-namespace extensions {
-
-ManifestFeature::ManifestFeature() {
-}
-
-ManifestFeature::~ManifestFeature() {
-}
-
-Feature::Availability ManifestFeature::IsAvailableToContext(
-    const Extension* extension,
-    Feature::Context context,
-    Feature::Platform platform) const {
-  Availability availability = Feature::IsAvailableToContext(extension,
-                                                            context,
-                                                            platform);
-  if (availability != IS_AVAILABLE)
-    return availability;
-
-  // We know we can skip manifest()->GetKey() here because we just did the same
-  // validation it would do above.
-  if (!extension->manifest()->value()->HasKey(name()))
-    return NOT_PRESENT;
-
-  return IS_AVAILABLE;
-}
-
-}  // namespace