Move core features code to //extensions

extensions/common/features/simple_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_FEATURES_SIMPLE_FEATURE_H_
-#define CHROME_COMMON_EXTENSIONS_FEATURES_SIMPLE_FEATURE_H_
+#ifndef EXTENSIONS_COMMON_FEATURES_SIMPLE_FEATURE_H_
+#define EXTENSIONS_COMMON_FEATURES_SIMPLE_FEATURE_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
-#include "chrome/common/extensions/features/simple_feature_filter.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/features/feature.h"
+#include "extensions/common/features/simple_feature_filter.h"
 #include "extensions/common/manifest.h"
 
 namespace extensions {
 
 class ComplexFeature;
 
 class SimpleFeature : public Feature {
  public:
   SimpleFeature();
   virtual ~SimpleFeature();
@@ skipping 92 matching lines @@
 
   typedef std::vector<linked_ptr<SimpleFeatureFilter> > FilterList;
   FilterList filters_;
 
   FRIEND_TEST_ALL_PREFIXES(ExtensionSimpleFeatureTest, Context);
   DISALLOW_COPY_AND_ASSIGN(SimpleFeature);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_COMMON_EXTENSIONS_FEATURES_SIMPLE_FEATURE_H_
+#endif  // EXTENSIONS_COMMON_FEATURES_SIMPLE_FEATURE_H_