Move core features code to //extensions

extensions/common/features/complex_feature.h

Index: extensions/common/features/complex_feature.h
diff --git a/chrome/common/extensions/features/complex_feature.h b/extensions/common/features/complex_feature.h
similarity index 91%
rename from chrome/common/extensions/features/complex_feature.h
rename to extensions/common/features/complex_feature.h
index e0a63c9160cf0073c22e2f526a85d16332092533..aa7ffa28b425a2fde119141ffa2279f5857bc394 100644
--- a/chrome/common/extensions/features/complex_feature.h
+++ b/extensions/common/features/complex_feature.h
@@ -2,8 +2,8 @@
 // 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_COMPLEX_FEATURE_H_
-#define CHROME_COMMON_EXTENSIONS_FEATURES_COMPLEX_FEATURE_H_
+#ifndef EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_
+#define EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_
 
 #include <string>
 
@@ -59,4 +59,4 @@ class ComplexFeature : public Feature {
 
 }  // namespace extensions
 
-#endif  // CHROME_COMMON_EXTENSIONS_FEATURES_COMPLEX_FEATURE_H_
+#endif  // EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_